Question 1.
Skids occur when the brakes are applied so hard that the front or rear wheels lose traction are called as
A. Cornering
B. Blowout
C. Power
D. Braking
Ans: D. Braking
Question 2.
In uniform circular motion, the linear velocity is perpendicular to
A. Radius
B. Force
C. Radius vector
D. Momentum
Ans: C. Radius vector
Question 3.
The odometer guage indicates
A. The distance travelled by a vehicle
B. The depth of the ocean
C. Pitch length
D. Frequency of the wave
Ans: A. The distance travelled by a vehicle
Question 4.
During the motion of a projectile fired from the earth surface, __
A. Its kinetic energy remains constant
B. Its momentum remains constant
C. Vertical component of its velocity remains constant
D. Horizontal component of its velocity remains constant
Ans: D. Horizontal component of its velocity remains constant
Question 5.
Flywheel is an important part of a steam engine because it :
A. Accelerates the speed of the engine
B. Helps the engine in keeping the speed uniform
C. Decreases the moment of inertia
D. Gives strength to the engine
Ans: B. Helps the engine in keeping the speed uniform
Question 6.
If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects?
A. Acceleration
B. Kinetic Energy
C. Velocity
D. Momentum
Ans: D. Momentum
Question 7.
What property of matter is momentum related to?
A. Mass
B. Velocity
C. Both A & B
D. None of the above
Ans: C. Both A & B
Question 8.
The following particles move with same kinetic energy. Which of them has maximum momentum ?
A. Electron
B. Proton
C. Deutron
D. Alpha Particle
Ans: D. Alpha Particle
Question 9.
Consider the following statements :
- There is no net moment on a body which is in equilibrium.
- The momentum of a body is always conserved.
- The kinetic energy of an object is always conserved.
Which of the statements given above is/are correct?
A. 1, 2 and 3
B. 2 and 3 only
C. 1 and 2 only
D. 1 only
Ans: C. 1 and 2 only
Question 10.
The swing of a spinning cricket ball in air can be explained on the basis of
A. Sudden change in wind direction.
B. Buoyancy of air.
C. Turbulence caused by wind.
D. Bernoulli’s theorem.
Ans: C. Turbulence caused by wind.
Question 11.
Should cars have bumpers that collapse under impact?
A. Yes, since the offending car should get damaged and pay for the mistake
B. No, since it would be very expensive to get the car repaired
C. No, since the colliding car would then ram into the occupants and kill them
D. Yes, since they help to absorb the impact of a collision and keep the occupants safe
Ans: D. Yes, since they help to absorb the impact of a collision and keep the occupants safe
Question 12.
The rate of change of linear momentum of a body falling freely under gravity is equal to it’s __ ?
A. Kinetic Energy
B. Weight
C. Potential Energy
D. Impulse
Ans: B. Weight
Question 13.
What will happen if an object is dropped from a height and there is no air resistance?
A. It will fall with a constant speed and acceleration
B. Its acceleration will increase
C.Both speed and acceleration will increase
D. Its speed will increase
Ans: D. Its speed will increase
Question 14.
When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance ?
A. Four times
B. Two times
C. Half
D. One-fourth
Ans: A. Four times
Question 15.
According to the theory of relativity, which of the following always remains constant ?
A. Length of an object
B. Time
C. Space
D. Velocity of light
Ans: D. Velocity of light
Physics GK MCQs all set
- Physics MCQs Set-1
- Physics MCQs Set-2
- Physics MCQs Set-3
- Physics MCQs Set-4
- Physics MCQs Set-5
- Physics MCQs Set-6
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- Physics MCQs Set-8
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- Physics MCQs Set-11
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- Physics MCQs Set-14
- Physics MCQs Set-15
- Physics MCQs Set-16
- Physics MCQs Set-17
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- Physics MCQs Set-24
- Physics MCQs Set-25
- Physics MCQs Set-26
- Physics MCQs Set-27
- Physics MCQs Set-28
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- Physics MCQs Set-30
- Physics MCQs Set-31
- Physics MCQs Set-32
- Physics MCQs Set-33
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- Physics MCQs Set-48
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- Physics MCQs Set-55
- Physics MCQs Set-56
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- Physics MCQs Set-59
- Physics MCQs Set-60
- Physics MCQs Set-61
- Physics MCQs Set-62
- Physics MCQs Set-63
- Physics MCQs Set-64
- Physics MCQs Set-65
- Physics MCQs Set-66
- Physics MCQs Set-67
- Physics MCQs Set-68
- Physics MCQs Set-69
- Physics MCQs Set-70
- Physics MCQs Set-71
- Physics MCQs Set-72
- Physics MCQs Set-73
- Physics MCQs Set-74
- Physics MCQs Set-75
- Physics MCQs Set-76
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