Electromagnet Spectrum – Online MCQs – Physics 10th

1. Which of the following has a minimum wavelength?

2. The waves used by artificial satellites for communication are:

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

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

5. The type of electromagnetic wave used in security scanners at night is:

6. The human body also gives out:

7. They are produced when the nuclei of unstable atoms decay into a stable nucleus or lose energy.

8. Which statement is TRUE about the red light?

9. All electromagnetic waves travel through space or vacuum at the same speed of:

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

11. Choose the electromagnetic wave that is the most dangerous to humans.

12. Which of the following statement is false for the properties of electromagnetic waves?

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

14. It has the longest wavelength in the electromagnetic spectrum.

15. Select the wrong statement. Electromagnetic waves:

16. They are highly penetrating that can pass through flesh but not bones.

17. The list that shows electromagnetic waves from the lowest to the highest frequency is:

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

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

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