Online Physics MCQs Test Set 3

This quiz only for self testing or reading purpose. Lunar eclipse occurs, at (A) Day of moonless (B) Day of full moon (C) Day of half moon (D) Both

This (Multiple Choice Questions-3) only for self test or reading purpose. If you want to participate in this quiz, you are welcome. At this platform we provide online physics quiz and many other notes on higher physics like M.Sc. and B.Sc.

Online physics quiz-3

1. Solar eclipse occurs, when




... Answer is (A)
Solar eclipse occurs, when moon comes between sun and earth.

 

2. Lunar eclipse occurs, at




... Answer is (B)
Lunar eclipse occurs, at day of full moon.

 

3. A solid rod seems slight bent in the water due to




... Answer is (C)
A solid rod seems slight bent in the water due to refraction.

 

4. Mirage is a example of




... Answer is (B)
Mirage is occures due to total internal reflection of light in desert.

 

5. The colour of sky is blue due to




... Answer is (C)
NA

 

6. Which type of mirror is used as 'back view mirror' in vehicle




... Answer is (D)
NA

 

7. For shaving, we use




... Answer is (A)
We use concave mirror in shaving for making large image.

 

8. In water, air bubble works as




... Answer is (D)
NA

 

9. What is the unit of lens power?




... Answer is (B)
NA

 

10. Which of the following colour has less wavelength?




... Answer is (D)
Wavelength is inversely to refractive index.

 

11. Which of the following lens is used for hypermetropia?




... Answer is (B)
NA

 

12. Which of the following has most conduction?




... Answer is (B)
NA

 

13. A device, which converts an AC into DC is called




... Answer is (B)
Rectifier is used as AC to DC converter.

 

14. What is the unit of voltage?




... Answer is (B)
NA

 

15. An ideal voltmeter has resistance of




... Answer is (D)
NA

 

16. The filament of iron press is made by




... Answer is (A)
NA

 

17. An electric generator works on the principle of




... Answer is (D)
NA

 

18. Who discovered the neutron?




... Answer is (B)
NA

 

19. Who discovered the positron?




... Answer is (A)
NA

 

20. Who discovered the electron?




... Answer is (B)
NA

 

21. Atom bomb is based on the principle of




... Answer is (B)
Nuclear fusion is process in which a heavy nuvleus decompose in two or more light nucleus.



22. The speed of light will be minimum while passing through




... Answer is (D)
NA



23. The most suitable unit for expressing nuclear radius is




... Answer is (C)
NA



24. Rain drops acquire spherical shape due to




... Answer is (B)
NA



25. If a sound travels from air to water, the quantity that remain unchanged is




... Answer is (B)
NA

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