Electromagnet Spectrum – Online MCQs – Physics 10th

1. It has been used for security purposes, particularly in military technology.

2. The structure of solids is investigated by using:

3. Waves in decreasing order of their wavelength are:

4. The optical phenomenon in which the splitting of white light into seven distinct colours occur is called:

5. This kind of lamp is used in sunbeds for artificial tanning.

6. Select the wrong statement. Electromagnetic waves:

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

8. This colour has its own refracted path in the air and becomes distinct on the spectrum

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

10. Which statement is TRUE about the red light?

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

12. Which of the following electromagnetic waves is used in medicine to destroy cancer cells?

13. Ultraviolet radiation is further divided into:

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

15. Which of the following has a minimum wavelength?

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

17. It uses a series of low frequency x-rays and a computer to produce a 3D image of soft tissues and bones.

18. The type of waves that are used in the television remote controllers:

19. The velocity of light in a diamond is: (whereas the refractive index of a diamond with respect to vacuum is 2.5)

20. Electromagnetic waves are: