MCQ Questions
Q.1.
Some snakes have special sensory organs that detect the infrared region of the electromagnetic spectrum. Compared with human vision, these snakes can sense electromagnetic waves that have
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    a
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    d
  • 0%
    b
  • 0%
    c
Q.2.
What are three ways in which people use microwaves?
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    I disagree with her because many substances show fluorescence under ultraviolet light, not microwaves.
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    Waves with a higher frequency have a shorter wavelength.They all move at the same speed.They can travel through space.
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    They are used to transmit data, TV signals, and telephone signals. They are also used in ovens and radar.
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    c
Q.3.
Which types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light? Select two options.
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    d and f
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    gamma
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    c
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    a, c, and d
Q.4.
A veterinarian thinks that a dog has swallowed a key ring. Which types of electromagnetic waves is the doctor most likely to use to check the dog?
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    c
  • 0%
    b
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    a
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    d
Q.5.
Which part of the electromagnetic spectrum is nearest to radio waves?
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    a
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    b
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    c
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    d
Q.6.
How can electromagnetic waves be used to fight a forest fire?
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    a
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    d
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    c
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    b
Q.7.
Kamala made a table to describe parts of the electromagnetic spectrum.What mistake did Kamala make?
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    c
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    b
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    a
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    d
Q.8.
Someone places a chocolate bar near a working radar set that is used to locate ships and airplanes. Which best describes what is likely to happen to the chocolate bar?
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    c
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    d
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    b
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    a
Q.9.
Which types of electromagnetic waves have longer wavelengths than the waves that make up visible light? Select three options.
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    c
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    d and f
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    a, c, and d
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    gamma
Q.10.
What is the difference between a mechanical wave and an electromagnetic wave?
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    a
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    d
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    b
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    c
Q.11.
Which describes the changes in visible light moving from red to violet?
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    b
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    a
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    d
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    c
Q.12.
What makes thermal imaging cameras useful?
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    a
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    b
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    c
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    d
Q.13.
Which electromagnetic waves have the shortest wavelength and the highest frequency?
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    d and f
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    gamma
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    a
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    Waves with a higher frequency have a shorter wavelength.They all move at the same speed.They can travel through space.