1. The maximum displacement of a particle from its equilibrium when waves propagate through it
is called___________
a. amplitude
b. crest
C. hill
d. trough

2. Waves which require a material medium to propagate are called___________
a. electromagnetic waves
b. longitudinal waves
c. mechanical waves
d. transverse waves

3. Wavelength is the distance between two consecutive points in a wave train that are___________
a. oppositely directed
b. in phase with each other
c.out of phase with each other
d. vibrating with the same frequency

4. Two waves having the same period must also have the same___________
a. amplitude
b. frequency
c. speed
d. wavelength

5. As a longitudinal wave passes through a medium, the particles of the medium move in___________
a. circles
b. ellipse
C. parallel to direction of wave propagation
d. perpendicular to direction of wave propagation

6. Bluetooth, Wi-Fi, and GPS technologies use___________
a. infrared
b. light
c. microwave
d. radio waves

7. What is common among electromagnetic waves?
a. energy
b. frequency
c. speed in vacuum
d. wavelength

8. Who discovered microwaves?
a. James Clerk Maxwell
b. Johann Wilhelm RitterC. Paul Villard
d. Wilhelm Conrad Roentgen

9. What is the arrangement of gamma rays, X-rays, UV rays, and visible light in order of increasing
wavelength?
a. gamma rays, X-rays, UV rays , visible light
b. visible light, UV rays, X-rays, gamma rays
c. UV rays, visible light, X-rays, gamma rays
d. gamma rays, visible light, UV rays, X-rays

10. What is the arrangement of gamma rays, X-rays, UV rays, and visible light in order of increasing
energy?
a. gamma rays, X-rays, UV rays , visible light
b. visible light, UV rays, X-rays, gamma rays
c. UV rays, visible light, X-rays, gamma rays
d. gamma rays, visible light, UV rays, X-rays

11. Which pair is found in longitudinal waves?
a. crests and troughs
b. compressions and crests
C. crests and rarefactions
d. compressions and rarefactions

12. Which electromagnetic wave is referred to as heat wave?
a. gamma rays
b. infrared rays
c. ultraviolet rays
d. X-rays

13. What do you call the device that detects motion?
a. radar
b. detector
c. motion detector​