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Final Exams > Physics > Flashcards

Physics Flashcards

1
Q

What Is A Use Of Radio Waves?

A

Listening To TV

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2
Q

What Is A Use Of Microwaves?

A

Mobile Phones or Heating Up Food

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3
Q

What Is A Use Of Infrared Rays?

A

Night Vision Equipment, Heat Sensors & Thermal Imaging

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4
Q

What Is A Use Of Ultraviolet Rays?

A

Getting Vitamin D

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5
Q

What Is A Use Of X-Rays?

A

Seeing Teeth and Broken Bones

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6
Q

What Is A Use Of Gamma Rays?

A

Medicine (Radiotherapy)

Such As Cancer Therapy

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7
Q

True or False Questions

The sun radiates both visible and invisible energy.

A

True

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8
Q

True or False Questions

Communicating with satellites is an application of gamma rays.

A

False

Communicating with satellites is an application of microwaves.

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9
Q

True or False Questions

Both X rays and gamma rays have higher frequencies than ultraviolet rays.

A

True

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10
Q

True or False Questions

Radio waves, microwaves, and ultraviolet waves all have longer wavelengths than visible light

A

False

Radio waves, microwaves, and ultraviolet waves all have shorter wavelengths than visible light

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11
Q

True or False Questions

X rays have more energy than gamma rays

A

False

X rays have less energy than gamma rays

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12
Q

True or False Questions

Microwaves are a type of infrared wave

A

False

Microwaves are a type of radio wave

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13
Q

True or False Questions

Electromagnetic radiation includes only visible light waves.

A

False

Electromagnetic radiation includes many visible light waves.

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14
Q

True or False Questions

Radiant energy spreads out its source in all directions.

A

True

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15
Q

Fill In The Blank!

The __________ represents the different forms of electromagnetic radiation.

A

Electromagnetic Spectrum

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16
Q

Fill In The Blank!

Light is classified as __________ because electrical and magnetic fields vibrate in a light wave.

A

Visible Light

17
Q

Fill In The Blank!

__________ is energy that travels by radiation. An example of this is light.

A

Electromagnetic Radiation

18
Q

Fill In The Blank!

Heat radiation, also known as __________, cannot be seen by your eyes but can be felt by your skin.

A

Infrared Waves

19
Q

Fill In The Blank!

Microwaves are one type of ___________.

A

Radio Waves

20
Q

Fill In The Blank!

____________ can be used to communicate with satellites.

A

Microwaves

21
Q

Fill In The Blank!
Because ______________ have the highest energy of all electromagnetic radiation, they are the most damaging to human tissue.

A

Gamma Rays

22
Q

Fill In The Blank!

Compared to all other types of electromagnetic radiation, radio waves have the lowest _______________.

A

Frequency

23
Q

Fill In The Blank!

An overexposure to ___________ can result in sunburns and skin cancer.

A

Ultraviolet rays

24
Q

Which of the types of radiation has the highest frequency?

A

Gamma Radiation

25
Q

Which type of waves is generally associated with radio waves?

A

long-wavelength waves

26
Q

How does the frequency of electromagnetic radiation change as the wavelength of the radiation decreases?

A

It increases

Final Exams (9 decks)

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