Q.1
The color blue has more energy than the color red.
  • True
  • False
Q.2
Which of the following lists the electromagnetic waves in order of increasing wavelength?
  • X-rays, visible light, radio waves
  • gamma rays, microwaves, UV rays
  • infrared rays, radio waves, x-rays
Q.3
Which color of light has the longest wavelength?
  • orange
  • red
  • blue
  • green
Q.4
What electromagnetic wave has the longest wavelengths and lowest frequencies?
  • Microwaves
  • Ultraviolet Rays
  • Infrared Waves
  • Radio Waves
Q.5
Newton’s prism experiments showed that white sunlight is made up of
  • the full electromagnetic spectrum.
  • only blue light.
  • all the colors of the visible spectrum.
  • only the longest wavelengths.
Q.6
Which electromagnetic waves help doctors detect broken bones inside your body?
  • gamma rays
  • x-rays
  • ultraviolet rays
Q.7
A wave with a large wavelength will have a ______ frequency and _____ energy
  • high, low
  • high, high
  • low, high
  • low, low
Q.8
Which of the following sets of EM radiation can harm your body cells?
  • Gamma ray, microwaves, infrared
  • Light, ultraviolet, x-ray
  • Microwaves, ultraviolet, infrared
  • Ultraviolet, x-ray, gamma ray
Q.9
This type of EM wave can cause skin cancer.
  • microwaves
  • ultraviolet ray
  • radio
  • infrared
Q.10
How are electromagnetic waves different from other waves?
  • They have very short wavelengths
  • They transmit energy instead of matter
  • They can travel through empty space
  • They can change direction by reflection
Q.11
What is the wavelength for a quantum of light with energy of 7.56x10-19J? (λ=hc/E)
  • 2.62x10-7m
  • 2.62x107m
  • 2.64x10-45m
  • 2.64x1045m
Q.12
What happens to the energy of a photon as the frequency of the wave increases?
  • The energy increases
  • The energy decreases
  • The energy stays the same
Q.13
Select the correct order of waves on the EMS
  • Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
  • Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
  • Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
  • Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
Q.14
Radar uses which type of electromagnetic waves to detect objects & measure their distance and speed?
  • microwaves
  • infrared rays
  • x-rays
Q.15
For waves in any medium, as the wavelength decreases, what happens to the frequency?
  • It also decrease
  • It stays the same
  • It increases
Q.16
How much of the electromagnetic spectrum is made up of visible light?
  • only a small portion
  • a very l;arge portion
  • about half
Q.17
Which electromagnetic waves allow us to diagnose & treat cancer?
  • Gamma rays
  • X-rays
  • Ultraviolet rays
Q.18
Which of the following lists the electromagnetic waves in order of decreasing frequency?
  • X-rays, microwaves, infrared rays
  • UV rays, visible light, x-rays
  • infrared rays, microwaves, radio waves
Q.19
The electromagnetic spectrum includes the complete range of electromagnetic waves placed in order of:
  • increasing amplitutde
  • increasing wavelength
  • increasing frequency
Q.20
Which electromagnetic waves are used in devices such as heat lamps & TV remote controls?
  • ultraviolet rays
  • microwaves
  • infrared rays
0 h : 0 m : 1 s