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Which of the following waves on the electromagnetic spectrum has the longest wavelength?(1 point)

Responses

gamma rays
gamma rays

X-rays
X-rays

microwaves
microwaves

infrared waves

Which of the following waves on the electromagnetic spectrum has the highest frequency?(1 point)
Responses

infrared waves
infrared waves

ultraviolet rays
ultraviolet rays

x rays
x rays

radio waves

A girl uses sunscreen lotion to protect herself from the energy of the electromagnetic rays from the sun. What does sunscreen lotion do to interfere with the transfer of energy from the sun to a person's skin?(1 point)
Responses

Helps skin exposed to the sun get a darker tan instead of sunburn
Helps skin exposed to the sun get a darker tan instead of sunburn

Reflects most of the ultraviolet radiation from the sun
Reflects most of the ultraviolet radiation from the sun

Absorbs the radiation coming from the sun before passing it to the person’s skin
Absorbs the radiation coming from the sun before passing it to the person’s skin

Causes skin cells to be damaged from the radiation emitted from the sun

Which statement is true for electromagnetic and mechanical waves?(1 point)
Responses

Mechanical waves sometimes travel through a vacuum, and electromagnetic waves sometimes travel through matter.
Mechanical waves sometimes travel through a vacuum, and electromagnetic waves sometimes travel through matter.

Electromagnetic waves travel mainly through matter, and mechanical waves travel only through a vacuum.
Electromagnetic waves travel mainly through matter, and mechanical waves travel only through a vacuum.

Electromagnetic waves require a medium to travel, but mechanical waves do not need a medium.
Electromagnetic waves require a medium to travel, but mechanical waves do not need a medium.

Mechanical waves require a medium to travel through, but electromagnetic waves do not need a medium.

1 answer

Here are the answers to your questions:

  1. Which of the following waves on the electromagnetic spectrum has the longest wavelength?

    • Response: microwaves

  2. Which of the following waves on the electromagnetic spectrum has the highest frequency?

    • Response: x rays

  3. What does sunscreen lotion do to interfere with the transfer of energy from the sun to a person's skin?

    • Response: Reflects most of the ultraviolet radiation from the sun

  4. Which statement is true for electromagnetic and mechanical waves?

    • Response: Mechanical waves require a medium to travel through, but electromagnetic waves do not need a medium.

Let me know if you need any further clarification!