COACHING 4 No.
Questions
Answer
1.
Two ball is thrown upward, the other ball has its initial…
4 times the other
2.
Luminous efficiency is least for
3.
The image image of a concave lens is greater greater than the object when
low wattage light bulb p is less than 2f
4.
Converging lens is used as magnifying lens
5.
Which is not a unit of force?
6.
Two astronaut in Earth and moon..
7.
A simple harmonic in an oscillator is not dependent on its its
8.
When a light ray enters a glass air interference from the glass side at the critical angle, the angle of refraction is
9.
To maintain certain velocity at constant power must be-
Less than f Kilogram Same, different frequency 90degrees FV Fission
10.
The disintegration disintegration of a nucleus into two medium weight weight parts is called _____.
11.
What law of thermodynamics states that conversion of heat to work is limited by the temperature at which conversion occurs?
12.
Gravity is an example of what kind of force?
13.
An object undergoes simple harmonic motion. Its maximum speed occurs when its displacement from its equilibrium position is _____.
14.
For the horizontal flow of a liquid through a tube, the sum of the pressure and the kinetic energy per unit volume of the fluid is constant. This is known as
Bernoulli’s Principle
15.
“Each point on a wavefront may be regarded as a new source of disturbance.” This is known as
Huygen’s Principle
16.
Light-weight nuclei are combined to form heavier, more stable nuclei. This process is called ______.
Fusion
17.
What law in thermodynamics states that if two bodies are in thermal equillibrium with a third body, they are also in thermal equillibrium with each other?
Zeroth law
Second law of thermodynamics Conservative force
Zero
gasoline engine Carnot Engine
18.
Among the engines mentioned below, which has the lowest efficiency?
19.
Among the engines mentioned below, which has the highest efficiency?
20.
Which statement among those given below is CORRECT about Carnot engines that operate between the absolute temperatures T1 & T2?
maximum efficiency is possible
21.
The blurring of image distortion of light formed from concave mirror
22.
In Balmer formula, R represent for what?
SPHERICAL ABERRATION Redberg constant
23.
what is the type of refrigerant that is normally used in refrigerator?
Gas that is easy to liquefy
24.
Why the sky is blue.
because molecules in the air scatter blue light
25.
What Earth's Atmosphere color looks like from space
26.
Hyperopia, commonly known as being
27.
Myopia, commonly known as being
28.
Spherical lenses suffer from?
Both Chromatic and Spherical Aberration
29.
The flag of Spain is yellow and red, if viewed from a yellow light source the color would be yellow and?
Black
30.
In a convex lens when the object is placed at a distance beyond 2F from the lens, the image of the object is formed
BETWEEN F AND 2F ON THE OTHER SIDE
31.
Wave that cannot be polarized?
32.
Light wave with the lowest wavelength is
Sound Wave Red
33.
The closed end of the pipe must be a ____; Similarly, the open end must be an _______ .
34.
In a nuclear reactor, what is not needed.
35.
Nuclear Fission produces?
36.
The period of a simple pendulum is dependent on its.
37.
Heat transfer by convection is common
38.
The binding energy per nucleon is
greatest for nuclei with intermediate size.
39.
Buoyancy occurs in fluids. As the depth increases
the pressure increases.
40.
Four metals are heated on a fu rnace with different temperatures. The one with the highest temperature appears to be white.
white.
Black Farsighted Nearsighted
Node, Antinode A free source of neutron 2 or 3 more neutrons length in gases and liquids.
41.
The coating on the surface of a thin glass which has an index of refraction in between that of a glass and of the air prevents reflection
with 1 wavelength only.
42.
For an excess number of neutrons , radioactivity occurs by the radioactive emission of
electrons
43.
If volume is held constant while the temperature is raised , the pressure increases uniformly in all directions because
molecules have greater speed and strikes more often at the wall.
44.
A solid disk is to roll in an incline plane. A hole is punched in the center of the disk so as to form a doughnut –like structure. At the bottom of the incline plane
the speed of the solid disk is greater than the speed of the doughnut.
Coherent source- a source whose light has
the same frequency and constant phase relationship.
46.
If a single wavelength source is used to illuminate a screen with two small slits, the light emerging from the two slits is coherent -
Principle of linear superposition of light
47.
In a thermodynamic system, an ideal gas is held at constant temperature while it does work on its environment. The work done by t he system is
work(W).
48.
The Operation of A Refrigerator –
49.
The process where Ice becomes water Vapor, The Temperature is _______
50.
When the Nucleus undergoes Radiation Decay, the new mass is ________
51.
In a Simple Harmonic Motion, when the amplitude is doubled, what else is doubled?
52.
When the surface of a metal is heated, it appears to be moving..
Lower density than that of the environment
53.
Nuclear fusion and nuclear fission:
The binding energy per nucleon is greatest for nuclei with intermediate size.
54.
Wavelength of light plays no role in _________
Polarization
55.
With 1 kg of Air at 1 atm.. additional of 1 Kg.. And Temperature is increased.. The new pressure is
2 atm
56.
A yoyo being swung in circle need not posses
57.
A light that deviates the most
Angular Acceleration Blue(from the given choices).
58.
Each Point on a wavefront maybe regarded as a new source of disturbance. This is known as:
Huygen’s Principle
45.
Heat Engine Below the Triple point of Water - no answer Maximum Speed
Increases Less than 1
59.
Total Entropy of the Universe __________ as Irreversible process occurs.
60.
Arbitrary point, pivoted
61.
Metals are good conductors of heat
62.
Electron captures have the same effect in the nucleus
63.
Man stands on a sensitive scale, inhales deeply, what will be the weight
64.
To emit electromagnetic radiation the object used as a medium has a temperature:
65.
Photoelectric effect can be understood by what principle:
66.
Which of these radiation have the highest ability to penetrate matter:
67.
Temperature is held constant volume is increased the molecules in the container will:
68.
Sphere A is rolled in an inclined plane with friction as sphere B is rolled frictionless on the :
69.
630 nm 430nm and 9500 nm how many “rainbow spectrum”
70.
Observer is in motion with respect to 2 events “time runs-slowly” time lengthening:
71.
Crest to trough and trough to crest
time dilation destruction interference
72.
A ball has momentum p strikes the wall and bounce back:
D – 2p
73.
The region in the electric field between two parallel points:
Uniform throughout the region
74.
Electrons revolve around the hydrogen atoms
Exactly de Broigle wavelength and its circumference
75.
At distance time graph, a straight line … upward to right corresponds the motion at
Constant speed
76.
High frequencies are found in
77.
Two or more atoms join together to form a stable group
X-rays Energy given off
78.
All real images
79.
The higher the frequency
80.
An object that has a momentum must also have
81.
Radiation of atoms of photons or small particles
82.
When vapor condense into liquid
83.
In the formula E = mc2, the c represents the
84.
The Van der Waal forces arises from
they have free electrons Positive Beta Decay depends on the expansion of the lungs and the amount of the volume of air above 0 kelvin none Gamma Rays strike of the walls often softly plane B reaches the bottom first 1
Can appear on screen The shorter the wavelength Kinetic energy Ionization radiation It evolves heat Speed of light Asymmetric charge distribution
Is maybe outside the object Frequency
85.
The center of gravity of an object
86.
A sound wave travelling from air into water, the property that remains unchanged is its
87.
The hydrogen atoms of a hydrogen molecule are sticking together
Because their electrons spend theirtime outside the…. Than the….
88.
An example of longitude wave is
Sound Wave
89.
Which of the following is NOT needed in fission reactor?
90.
What are the horizontal forces which results into an equilibrium
Special kind of neutrons 20,20 and 20 N
91.
Consider a source which radiates sound energy in all directions. If you double your distance from the sound source, what is the sound intensity?
¼ of its original value
92.
The electric and magnetic field in a radiation field
They are perpendicular to each other
93.
The silver and lead is in thermal contact, the specific heat of silver is greater that the specific heat of lead, what is the change in thermal energy
Impossible to know without their masses
94.
From someone.The only elastic modulus that is for liquids
95.
What particle least penetrate
Bulk Modulus Alpha particles
96.
The rotational analog of mass in linear motion
Moment of inertia
97.
An object is under simple harmonic motion; its maximum speed is in ________ displacement from equilibrium point.
Zero
98.
The conversion of mechanical energy into heat is
1
99.
The fuel in diesel engine is ignited by
The hot air compressed ignited by it
100.
Which of the following can’t be changed b y physical means?
work
101.
The _____ of photons that directly hit the surface of the steel is proportional to the energy being reflected.
Number
102.
The total heat produced by the heat engine.
Equal to the difference of the heat exhausted and the heat output
103.
If the distance from the earth to the sun will be multiplied by 3, ho w much will the gravitational pull of the sun to the earth?
1/9th of the original value
104.
The speed of the packet is the same as
The speed of the particle
105.
The stress of the wire is not affected by
the length of the wire
106.
The heat released during _____ is the absorbed by the refrigerant.
Vaporization
107.
Which of the following does not describe the total energy of the object?
Shape of the object
108.
What is the relationship of the momentum with equal kinetic energy after collision?
m1>m2
109.
Airplanes fly:
Weight increases
110.
Refrigerator used:
Gaseous easy to liquefy
111.
Large probability of vital atomic structure
It is most likely as it has
112.
Stone is in the center o the earth
113.
Theory of......
114.
Process involving carnot engine
Mass is equal ang weight decreases Only moving particles express weights Isobaric process
115.
Shone light not exist
Frequency
116.
Same mas roll down the inclined pane
Gravitational pe
117.
When using a pulley, the work done when the block is in the bottom is _____ the block is at the top.
Higher than
118.
Coefficient of volume expansion if _____ the linear expansion
Three times
119.
______potential________work done
Negative
120.
When equal and opposite forces are exerted on an object in the same line of action, the object is under _____.
Shear
121.
In vacuum, all protons have the same ____.
122.
Pressure cooker cooks food more rapidly than ordinary pot with loose lid because ____.
123.
The gravitational acceleration of an object. _____.
124.
Classical Physics is unable to account for ______.
125.
On a day that the partial pressure of water vapour remains constant, what will happen if the temperature rises?
Relative humidity decreases
126.
What pairs of displacement that cannot be added to form a resultant displacement of 2m?
1m and 2m
Speed Higher pressure lowers the boiling point of water Varies somewhat on the earth’s surface Why atoms can be stable
127.
According to Hooke’s law, the force exerted to elongate an object by an amount x is proportional to ___.
x2
128.
A refrigerator ______.
Removes heat and transports it elsewhere
129.
Which of the following properties are the characteristic of light beam in laser?
All have the same frequency, all have narrow beam
130.
A fly and a mosquito are on a phonograph record…, the fly is on the outer edge and the mosquito is nearer to the center of the record, what is their angular velocity?
Both have nonzero angular velocity
131.
refers to the measure of the disorder present in a given substance or system
Entropy
132.
When diver descends under the ocean the buoyant force will tend to
133.
Are skewed by many causes, such as dense probability clouds
Decrease Probability distribution
134.
Existence of element in different molecule... one or more substance
135.
Crystalline solid...diamond and graphite are two crystalline forms of
136.
The shear stress that acts on an object affects its
137.
The mass of nucleus is always less than the combined mass of its constituent particles by an amount called
Mass defect
138.
In any process, the maximum amount of heat that can be converted to mechanical energy
Depends on the intake and exhaust temperature
139.
The maximum displacement of an object undergoing harmonic motion on either side of equilibrium position is
Amplitude
140.
An external pressure exerted on a fluid is transmitted uniformly throughout the volume of the fluid “ this statement is known as____.
Pascal’s Principle
141.
The atomic bond, hydrogen chemically combined is________.
1
142.
Momentum expressed in___.
N.s
143.
The SI of luminous intensity. It is defined in terms of the light emitted by a small pool of platinum at it’s melting point.
Candela
144.
Not process of the Carnot Principle?
145.
When light is incident at the critical angle, it is refracted at the angle___?
146.
Gravity is an example of what kind of force?
147.
Reflected by thicker materials
Allotropy Carbon Shape
Two Adiabatic, Two isothermal 90 degree Conservative Force Beta Particle
148.
an optical image formed by the apparent divergence of rays from a point, rather than their actual divergence from a point.
Virtual Image
149.
Any rotating substance at sea level that has the same mass and the same angular velocity has also the same
GRAVITATIONAL POTENTIAL ENERGY
150.
Superconductivity occurs in a substance
THAT HAS ONLY VERY LOW TEMPERATURE
151.
Particles that made up the lattice of Van Der Waals crystals of a compound are
152.
A woman who weighs 500 N is standing on the ground. The force the ground exerts on her
153.
The most efficient heat engine is
MOLECULES IS EQUAL TO 500 N CARNOT ENGINE
154.
The conversion of an element to a new element because in the change in the number of protons
TRANSMUTATION
155.
Quarks are believe to made up the
156.
Fusion reaction on earth use as a fuel is
157.
In Lyman Series, Balmer Series, and Paschen Series, constant R is known as
HADRONS DEUTERIUM RYDBERG CONSTANT
158.
In an elastic collision
BOTH MOMENTUM AND KE ARE CONSERVED
159.
Beats are the result of
BOTH CONSTRUCTIVE AND DESTRUCTIVE INTERFERENCE
160.
Given a weight with two strings attached to both ends, what is the tension in both wires?
161.
Angular momentum from rest to motion. Find t
162.
Heat pump is widely known as
163.
If an atom is positively charged
164.
Atomic number is determined by
165.
The chemical characteristics of atoms are determined by their
166.
A horse pulling a wagon moves due to the
167.
The action-reaction in Newton’s third law of motion applies to
168.
A heat engine is 100% efficient if the exhaust temperature is
169.
Carnot engine is most efficient when
WITHOUT CHANGING THE AMOUNT OF WORK
170.
In nuclear power plants, a nuclear reactor provides
HEAT
EQUAL TO WEIGHT t2 REFRIGERATOR THERE IS DEFICINCY OF ELECTRONS NUMBER OF PROTONS ATOMIC NUMBER GROUND EXERTING FORCE TO HIM DIFFERENT OBJECTS 0K
CONVERTING HYDROGEN TO HELIUM
171.
The sun’s energy comes from
172.
Real objects in lens always appear
173.
Real objects in spherical mirrors
174.
The shape of the Earth is comparable to the shape of a
175.
The mass of earth is 1.3 that of the mass of moon. Relative to the earth’s gravitational force, moon’s gravitational force is
176.
Not part of the description of Bohr’s model
177.
In Quantum numbers, n=1
178.
A satellite spaceship moving away from earth sends a signal to a ground station. Relative to the spaceship, the received signal is
179.
If you travel near the speed of light, you body will experience
180.
Pure musical tone causes a wooden panel to vibrate. This is an example of
181.
Pauli’s exclusion principle states that
NO TWO ELECTRONS CAN OCCUPY THE SAME ORBITAL
182.
Putting a satellite on its orbit does not depend on which of the following?
MASS OF THE SATELLITE
183.
10 billion electrons are present in a copper sphere, the electrons are
UNIFORMLY DISTRIBUTED AT THE SURFACE
184.
An object at rest can have
POTENTIAL ENERGY
185.
Sound waves does not travel in
A VACUUM
186.
The image formed by a converging mirror at which the object is far from the focus point is
187.
Isotope of the same element has
INVERTED THE SAME NUMBER OF PROTONS
188.
Electrons in an atom
189.
Which of the following could be associated with vectors?
190.
Which of the following transition emits a photon at its highest frequency?
191.
What happens to a neutron emitted in fission induced other nucleus into the fission?
192.
What refers to the measure of ionization produced by x-ray or gamma ray?
193.
What is the difference of the mass of an intact nucleus and the mass of separated nucleus?
194.
A rigid body moving in a uniform circular motion with distance R has _______.
INVERTED NEVER REAL AND VIRTUAL GRAPEFRUIT SAME ELECTRON CLOUD GROUND STATE LOWER FREQUENCY NONE OF THESE RESONANCE
ARE OF SOME DISTANCE FROM THE NUCLEUS Km/s2 n=2 to n=6 CHAIN REACTION EXPOSURE MASS DEFECT VELOCITY PROPORTION TO R
195.
The magnitude of electric field in space has magnitude of ________.
1 COULOMB OF CHARGE PRESENT THERE
196.
Lowest melting points are usually found on solids held together by _______.
VAN DER WAALS FORCE
197.
The magnitude of resultant of two forces is minimum when the angle between them is ______.
180°
198.
A refrigerator exhausts
MORE HEAT THAN IT ABSORBS FROM ITS CONTENTS
199.
A concave mirror provides virtual image when the distance from the object is
200.
A sonic boom is heard after a plane passed overhead. This means that the plane
201.
Two balls, one is 30 kg, at 10 m above ground. The two balls has the same
202.
A device made of a material that emits light when struck by ionized…………..
203.
In a nuclear fusion, energy is released when binding energy is _________ for the larger nucleus than the smaller nuclei.
GREATER
204.
In Lyman Series, Balmer Series, and Paschen Series, R is equal to _______ m-1.
1.097x107m-1
205.
An atom can be raised to an excited state by
Collision to another particle or atom
206.
The amplitude of sound determines its
Loudness
207.
Independent of size and shape of an object
208.
it is impossible to polarized
Density Sound waves
209.
Heat of vaporization is
Greater than heat of fusion
210.
Which of the following set of horizontal forces is not in equilibrium
211.
If the real object is placed in the focal point of a concave mirror, the resulting image is
20N, 40N, 80N Virtual and erect Form oxides Beats
LESS THAN F TRAVELS FASTER THAN SOUND ACCELERATION SCINTILLATION COUNTER
212.
Metals not due to gas
213.
variation of amplitude resulting to superposition......slight difference in frequency
214.
...................
Varies in amplitude between 0A and 2A
215.
The fissioning of Uranium 235 in the reactor of a nuclear power plant produces
2 or 3 neutrons
216.
An automobile that is towing a trailer on a level road is accelerating. The magnitude of the force that the automobile exerts on the trailer is
Equal to the force exerted by the trailer on the automobile
217.
Shortest wavelength
Blue
2k The normal decreases
218.
An object has a force k … when cut into half, what is the force on each object
219.
As the inclination angle increases
220.
The acceleration of an object thrown upward
Is the same as when the object is thrown downward
221.
The image formed by a camera
Always real
222.
The image formed in the retina
223.
A man in mars
Real and inverted Has the same mass but less weight
224.
Weight is
225.
The depth of an object submerged in water
226.
Shutter speed and opening
227.
Dispersion is a term use to describe the
228.
Product of frequency and period
229.
Not a unit of work
230.
Unit of force
231.
The sky is blue because
The scattering of light is more for shorter wavelength
232.
The slope of velocity –time graph at that instant
Instantaneous acceleration
233.
Moment arm times distance
Torque
234.
A stone is thrown upward. At the same time another stone is thrown directly downward.
They have the same acceleration when they reach the ground
235.
Car A has a mass of 1000 kg with a velocity of 60kph. Car B has a mass of 2000 kg with a velocity of 30kph.
The acceleration of A is twice of B
236.
Two cars a traveling on a level road … What is the implication on their acceleration?
Has no implication on their acceleration
237.
Stone A is thrown at the top of a building. At the same time, stone B is drop somewhere from the building.
Speed of stone b is greater bu t the same acceleration
238.
Where is the velocity in an arc minimum
239.
Simple harmonic oscillator is independent of
At the top of the arc Amplitude
The force with which it is attracted to earth Seems less than its actual depth 1/250 s & f/4 Spreading of light pulse as it travels down a fiber 1 Joule-second Newton
240.
No two electrons can have the same four quantum numbers
Pauli’s Exclusion Principle
241.
Photon is made up of
Elementary particles
242.
Glass is an example of
Amorphous solid
243.
An amorphous solid
Does not melt at a definite temperature but softens gradually
