Physics MCQ Quiz Hub

1. Where do we use transformers?
Power stations
Radio sets
Television
All of the above

2. How much electric potential does the live wire carry?
100 volts
150 volts
 185 volts
20 volts

3. What is the electric potential of neutral wire?
Zero volt
 100 volt
10 volt
10 volt

4. What is the colour of insulation covering on live wire?
Green
Red
Black
Yellow

5. What is the colour of insulation covering on neutral wire?
 Blue
Red
Green
Black

6. What is the rating of main fuse which is put in the live wire?
10 amperes
140 amperes
50 amperes
65 amperes

7. In which unit is the electrical energy consumed by us recorded?
Volt
Kilowatt-minute
 Kilowatt-hour
Kilowatt-second

8.  Which of the following are the two separate circuits in a house?
 Lighting and power circuit
Open and closed circuit
Series and parallel circuit
None of the above

9. What is the fuse of lighting circuit?
 20 A fuse
5 A fuse
18 A fuse
5 A fuse

10. What is the fuse of power circuit?
 5 A fuse
18 A fuse
15 A fuse
10 A fuse

11. Which of the following devices is run by lighting circuit in the house?
 Electric bulb
 Tube-lights
Fans
 All of the above

12.  Which of the following devices is run by power circuit in the house?
Tube-lights
Electric iron
Television
Radio

13. Which of the following device converts chemical energy in to electrical energy?
Battery
Loud Speaker
 Solar Cell
 Electric Motor

14. The energy possessed by a body due to its position is called:
Kinetic Energy
Potential Energy
Mechanical Energy
Electrical Energy

15. Joule is a unit of:
Work
Power
Momentum
None of the above

16. The commercial unit of Energy is:
 Watt
Watt-hour
Kilowatt-hour
Kilowatt

17. When an object falls freely towards the ground, then its total energy:
Increases
Decreases
Remains constant
First increases then decreases

18.  In 1 minute how much energy does a 100 W electric bulb transfers?
100 J
600 J
3600 J
6000 J

19. What happens to the body on which work is done:
It loses energy
 It gains energy
No change in the energy
First it loses then it gain

20.  A radio set of 60 watts runs for 50 hours. How many units of electrical energy are consumed in kWh?
 2 kWh
 3 kWh
4 kWh
2.5 kWh

21.  What is the smallest unit of power?
Watt
Kilowatt
Horse power
Milliwatt

22. On an object the work done does not depend upon:
Displacement
 Angle between force and displacement
 Force applied
 Initial velocity of an object

23. On which theory nature of light depends upon:
Wave theory
Particle theory
 Both A and B
Only A

24. Why light is said to have a dual nature?
It exhibits the properties of wave and particles.
It exhibits the properties of reflection and diffraction.
It has both interference and polarisation effect.
None of the above

25. Which object does not reflect more light?
Polished Surface
 Shining Surface
Unpolished
Both A and B

26.  Name a metal which is the best reflector of light?
 Gold
 Silver
 Iron
Magnesium

27.  An incident ray is:
 The point at which incident ray falls on the mirror.
The ray of light which is sent back by the mirror.
The ray of light which falls on the mirror surface.
 The ray which makes right angle to the mirror surface.

28. Anything which gives out light rays is called :
Real Image
Virtual Image
Object
Image

29.  When a parallel beam of incident light is reflected as a parallel beam in one direction, this reflection is known as:
Diffuse reflection
Interference
Diffraction
Regular reflection

30. We see the image of our face when we look into the mirror. It is due to:
 Interference
Diffraction
 Polarisation
Reflection

31. The image formed on a cinema screen is an example of:
Real Image
Virtual Image
Point Image
Plane Image

32. When Lunar Eclipse occur?
When Sun is between Earth and Moon
When Earth is between Sun and Moon
 When Moon is between Earth and Sun
When Earth is between Sun and other celestial bodies

33. When did Lunar Eclipse happen?
Half Moon
Full Moon
Equinox
None of the above

34. What is Solar Eclipse?
When moon comes in between Earth and Sun
 When Earth comes in between Moon and Sun
When Sun comes in between Earth and Moon
 When Sun rays does not reach Earth.

35. When the same pattern of solar eclipse repeats every 18 years 11 days 8 hours are known as:
 Nodes cycle
Saros cycle
Saras cycle
Payan cycle

36. What do you mean by Blood Moon?
 It is total solar eclipse.
 It is partial lunar eclipse with red glow
It is total lunar eclipse with deep red glow
None of the above

37. During lunar eclipse, the visible red colour is because of:
 Dust in space
Dust in moon’s atmosphere
 Dust in earth’s atmosphere
None of the above

38.  During a calendar year, the maximum numbers of lunar eclipse that can occur are:
2
3
4
None of the above

39. What do you understand by an eclipse?
 Partial or total blocking of light of one celestial object by another.
Partial or total blocking of light by Moon.
Partial or total blocking of light by Earth.
Partial or total blocking of light by Sun.