35+ Best MCQ Material For Physics Chapter Light and nanotechnology With GTU MCQ Quiz And GTU MCQ Material

GTU IMP MCQ Material With  Mock  Test Material For Physics Chapter Light And Nanotechnology, GTU MCQ Quiz Solution Or Book Material One-Click Download Now 

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Applied Physics Chapter  Light And Nanotechnology (Q&A)

1. The velocity of light in medium is ______________ the refractive index of the medium.

Answer : inversely proportional 

2. Imposement of light waves on each other is called.

Answer : interference 

3. When light enters the water from glass its velocity ___________

Answer : increase 

4. Snell's law is ____________

Answer : sin r / sin r  = constant 

5. Unit of focal power of lens is __________

Answer : diptor 

6. Distance of distinct vision is ___________

Answer : 25cm 

7. Magnifying power of simple microscope depends upon ___________

Answer : F 

8. When light enters in  some medium From vaccume its _________ does not change. 

Answer : frequency 

9. The splitting up of beam of white light into its different colour is known as _________

Answer : dispersion 

10. 10 nanometre = _________ meter.

Answer : 10⁻⁸ 

11. Size of nanoparticles ranges between ___________nm.

Answer : 1 to 100 

12. Carbon atoms form _________ bonds with other carbon atom. 

Answer : covalent 

13. Fullerene or bucky-ball is made up of ________ carbon atoms. 

Answer : 60 

14. _________proves that light waves are transverse waves. 

Answer : polarisation 

15. ___________ is used to observe small objects magnified. 

Answer : microscope 

16. _________ is used to see distant objects.

Answer : telescope 

17. If refractive index of medium increases, velocity of light in medium ___________

Answer : decreases 

18. The phenomena in which beam of white light splits up into constituent colours is ___________

Answer : dispersion 

19. Light rays passing through __________ of a lens are not deviated.

Answer: optical center 

20 An object is at Focal point of convex lens - the image is formed at _________

Answer : infinite distance 

21. A convex lens is of 50 cm Focal length what will be its power ? 

Answer : 2 diopture 

22. A simple microscope has ________lens 

Answer : convex 

23. Which branch is not included in nanotechnology ? 

Answer : social science 

24. 1 nm = _________ Å 

Answer : 10⁹

25. Which are two fundamental molecules used in nanotechnology ? 

Answer : bucky balls 

26. How many types of beta particles?

Answer : 2 

27. No. of Neutrons in ₉₂ U²³⁸ is __________

Answer : 146

28. Neutron and proton are commonly known as _________

Answer: Nucleons 

29.When alpha particles emitted from any radioactive material its atomic no reduced by ________

Answer : 4 

30. What is the full form of STM? 

Answer : Scanning Tunneling Microscopy

31.Generally which colour is used in STOP signals. 

Answer : red

32. Full form of SWNT ? 

Answer : single walled Nanotechnology 

33.full form of MWNT ? 

Answer : Multi Walled Nanotubes 

34 speed of light in vacuum 

Answer: 3 × 10⁸ m/s 

35. Light is made up made up of small packets of energy called 

Answer: photons 

36. Range of wavelength of visible light is 

Answer : 4000 Å to 7000 Å 

37. Reflective index of Air is 

Answer: 1 

38. Full form of IC 

Answer: integrated circuit 

39. Reflective index of diamond is 2.42 find out velocity of light in diamond velocity of light in air is 3 × 10⁵ km/s 

Answer : 1.24 × 10⁸ m/s 

40.size of a quantum dot is ____ nm.

Answer : 50 

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