Choose the letter of the correct answer.
1. Which of the following is NOT an electromagnetic wave?
A infrared
B. radio
C. sound
D. X-ray
2.How does the wavelength of infrared (IR) compare with the wavelength of
ultraviolet (UV) waves?
A. Infrared waves have longer wavelength
B. Infrared waves have shorter wavelength.
C. IR waves have the same wavelength as the UV waves
D. IR is not comparable in wavelength with the UV waves.
3. Among all the electromagnetic waves (EM), which has the highest frequency?
A. infrared radiation
C. gamma rays
B. ultraviolet light
D. radio wave
4. ROYGBIV is the basic component of white light. Which color of light carries the
highest energy?
A. blue B.green
C. orange D. red
5. Light is an electromagnetic wave. Which characteristic is common in all
electromagnetic waves in a vacuum?
A. amplitude
B. frequency C. speed D.wavelength
6. Which of the following is NOT true about the nature of light?
A. Light is an electromagnetic wave.
B. Light is a mixture of ROYGBIV colors of light.
C. Light is a form of energy that travels in space.
D. Light has a constant speed of 3 x 108 m/s in any medium.
7. Which electromagnetic wave is used in a microscope?
A. visible Light
C. ultraviolet light
B. gamma rays
D. infrared radiation
8.
When red light is compared with violet light
in a vacuum.
A. both travel at the same speed
C. both have the same wavelength
B. both have the same frequency
D. red light travels faster than violet light​