Question 1.
In a photocell light energy is converted into
A. Potential energy
B. Chemical energy
C. Heat energy
D. Electrical energy
Ans: D. Electrical energy
Question 2.
Necessary element of change in solar energy to electrical energy
A. Berillium
B.Silicon
C. Tantelum
D. Pure Copper
Ans: B.Silicon
Question 3.
A person does some work of 1,000 J in 2 s. His power will be __
A. 1000W
B. 25W
C. 500W
D. 50W
Ans: C. 500W
Question 4.
A voltaic cell converts chemical energy to
A. Heat energy
B. Electrical energy
C. Mechanical energy
D. Light energy
Ans: B. Electrical energy
Question 5.
In hydro power station, the motion produced in turbines is due to
A. Flow of water
B. Burning of coal
C. Burning of diesel
D. Production of steam
Ans: A. Flow of water
Question 6.
Which results in an increase in power?
A. Doing more work in less time.
B. Doing less work in more time.
C. Doing less work in less time.
D. Doing more work in more time.
Ans: A. Doing more work in less time.
Question 7.
The work done by the string of a simple pendulum during one complete oscillation is equal to
A. Total energy of the pendulum
B. Kinetic energy of the pendulum
C. Potential energy of the pendulum
D. Zero
Ans: D. Zero
Question 8.
The SI unit for measuring work and energy is
A. Joule
B. Watt
C. Farad
D. Ohm
Ans: A. Joule
Question 9.
What device converts light energy to electrical energy?
A. Photodiode
B. Photovoltaic cell
C. Thermocouple
D. Heliostats
Ans: B. Photovoltaic cell
Question 10.
Conversion of sound energy into electrical energy is done by
A. Solar cell
B. Gramophone
C. Microphone
D. Loudspeaker
Ans: C. Microphone
Question 11.
In a rechargeable cell what kind of energy is stored within the cell?
A. Electrical energy
B. Potential energy
C. Chemical energy
D. Kinetic energy
Ans: C. Chemical energy
Question 12.
In a water lifting electric pump, we convert
A. Electrical energy into Potential energy
B. Kinetic energy into Electrical energy
C. Kinetic energy into Potential energy
D. Electrical energy into Kinetic energy
Ans: A. Electrical energy into Potential energy
Question 13..
If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is
A. 0.2 J
B. 5 J
C. 20 J
D. 500 J
Ans: D. 500 J
Question 14.
A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is
A. Zero
B. One
C. Less than one
D. More than one
Ans: A. Zero
Question 15.
The device which converts sound energy into electrical energy is called
A. Amplifier
B. Speaker
C. Microphone
D. Transmitter
Ans: C. Microphone
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
- Physics MCQs Set-7
- Physics MCQs Set-8
- Physics MCQs Set-9
- Physics MCQs Set-10
- Physics MCQs Set-11
- Physics MCQs Set-12
- Physics MCQs Set-13
- Physics MCQs Set-14
- Physics MCQs Set-15
- Physics MCQs Set-16
- Physics MCQs Set-17
- Physics MCQs Set-18
- Physics MCQs Set-19
- Physics MCQs Set-20
- Physics MCQs Set-21
- Physics MCQs Set-22
- Physics MCQs Set-23
- Physics MCQs Set-24
- Physics MCQs Set-25
- Physics MCQs Set-26
- Physics MCQs Set-27
- Physics MCQs Set-28
- Physics MCQs Set-29
- Physics MCQs Set-30
- Physics MCQs Set-31
- Physics MCQs Set-32
- Physics MCQs Set-33
- Physics MCQs Set-34
- Physics MCQs Set-35
- Physics MCQs Set-36
- Physics MCQs Set-37
- Physics MCQs Set-38
- Physics MCQs Set-39
- Physics MCQs Set-40
- Physics MCQs Set-41
- Physics MCQs Set-42
- Physics MCQs Set-43
- Physics MCQs Set-44
- Physics MCQs Set-45
- Physics MCQs Set-46
- Physics MCQs Set-47
- Physics MCQs Set-48
- Physics MCQs Set-49
- Physics MCQs Set-50
- Physics MCQs Set-51
- Physics MCQs Set-52
- Physics MCQs Set-53
- Physics MCQs Set-54
- Physics MCQs Set-55
- Physics MCQs Set-56
- Physics MCQs Set-57
- Physics MCQs Set-58
- 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
We hope the given MCQ Questions for Physics GK PDF Free Download will definitely yield fruitful results. If you have any queries related to Physics GK Multiple Choice Questions with Answers, drop your questions below and will get back to you in no time.