Electromagnet Spectrum – Online MCQs – Physics 10th

1. Which of these electromagnetic waves has a high frequency?

2. Ultraviolet radiation is further divided into:

3. Which statement is TRUE about the red light?

4. Stars are natural transmitters of:

5. The colour that is least deviated by a prism:

6. The waves that have maximum penetrating power to treat tumours are:

7. The structure of solids is investigated by using:

8. The human body also gives out:

9. It has the highest wavelength of all the colours.

10. Select the wrong statement. Electromagnetic waves:

11. This colour has minimum speed, which with most deviation.

12. Which one of the following has the shortest wavelength?

13. Which of the following has a minimum wavelength?

14. A narrow beam of white light passes from air into the glass and is refracted. The wave characteristic remains unchanged in its:

15. The group containing only electromagnetic waves is:

16. Which of the following has a minimum wavelength?

17. Select the correct statement(s) from the following:
(i) Wavelength of microwaves is greater than that of ultraviolet rays
(ii) The wavelength of infrared rays is lesser than that of ultraviolet rays
(iii) The wavelength of microwaves is lesser than that of infrared rays
(iv) Gamma ray has the shortest wavelength in the electromagnetic spectrum

18. This colour has a maximum speed in the glass prism, with the slightest deviation.

19. Electromagnetic waves are:

20. They are produced when fast moving electrons lose their energy quickly.