Q2 - Online Quiz 2

What is the unit for wavelength?

• meters

• seconds

• Hertz

• meters per second

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NGSS.HS-PS4-1

What unit of measurement is used to express the frequency of the wave?

• seconds

• Hertz

• meters

• Joules

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NGSS.HS-PS4-1

Which electromagnetic wave carries more energy than the others?

• microwaves

• radio waves

• UV radiation

• visible light

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NGSS.HS-PS4-4

What is the relationship between wavelength and frequency?

• directly proportional

• inversely proportional

• inverse square proportionality

• direct square proportionality

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NGSS.HS-PS4-1

What happens to the frequency of a wave when its wavelength is doubled?

• doubled

• halved

• tripled

• unchanged

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NGSS.HS-PS4-1

In the visible spectrum, which color has the longest wavelength?

• Blue

• Green

• Red

• Violet

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NGSS.HS-PS4-1

Among the visible light radiations, which color has the highest frequency?

• red

• violet

• green

• blue

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NGSS.HS-PS4-1

Which of the following shows the correct order of electromagnetic waves from lowest to highest energy?

• X-rays, Visible Light, Microwave

• X-ray, Gamma-rays, Visible Light

• Ultraviolet, Visible Light, Gamma-rays

• Microwave, Visible Light, Gamma-rays

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NGSS.HS-PS4-4

Why do gamma rays have the greatest penetrating energy?

• because they have the lowest frequency

• because they have the longest wavelength

• because they have the highest frequency

• because they have longer wavelengths than x-rays

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NGSS.HS-PS4-3

NGSS.HS-PS4-4

An FM radio transmits at a frequency of 1.02 x 10⁶ Hz while an AM radio transmits at a frequency of 1.350 x 10³ Hz. Assume that the radio waves travel at the same speed. Which of the following statements is TRUE about the wavelengths of AM and FM radio waves?

• AM has a longer wavelength than FM

• AM has a shorter wavelength than FM

• Both have the same wavelengths

• Both have increasing wavelengths

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NGSS.HS-PS4-1