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40 questions
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  • Q1

    Which electromagnetic waves have the shortest wavelength?

    gamma ray

    radio wave

    microwave

    X – ray waves

    30s
    S10FE-IIa-b-47
  • Q2

    Radio waves, X-ray waves, and microwaves are observed to be traveling in a vacuum. If the waves have a wavelength of 2 x 10^3 m 2 x 10^-9 m, 2 x 10^-1 m respectively, which of the three travels the fastest?

    radio wave

    microwave

    They all travel at the same speed.

    X - ray waves

    30s
    S10FE-IIa-b-47
  • Q3

    How does a decrease in the frequency affect the electromagnetic wave?

    Wavelength decreases.

    Energy carried by the wave decreases.

    both A and B

    neither A nor B

    30s
    S10FE-IIa-b-47
  • Q4

    What color in the visible spectrum carries the lowest energy?

    orange

    blue

    violet

    red

    30s
    S10FE-IIa-b-47
  • Q5

    A certain FM radio station broadcasts at 90.5 MHz or 9.05 x 10^7 Hz. The radio wave travels at the speed of light, what is its wavelength?

    2.72 x10^10 m

    3.31 m

    . 0.05 m

    2.72 x 10^16 m

    30s
    S10FE-IIc-d-48
  • Q6

    What will happen to the frequency and wavelength if the energy of the waves decreases?

    wavelength increases, frequency increases

    wavelength increases, frequency decreases

    wavelength decreases, frequency decreases

    wavelength decreases, frequency increases

    30s
    S10FE-IIc-d-48
  • Q7

    What electromagnetic wave has the highest energy?

    Visible light

    Gamma ray

    Ultraviolet wave

    Radio wave

    30s
    S10FE-IIa-b-47
  • Q8

    How does a microwave oven work?

    Food Compartment > Magnetron Blasts > Wave Guide

    Magnetron Blasts > Food Compartment >Wave Guide

    Magnetron Blasts > Wave Guide > Food Compartment

    Wave Guide > Food Compartment > Magnetron Blast

    30s
    S10FE-IIc-d-48
  • Q9

    Which is NOT a negative effect of ultraviolet radiation?

    Damages DNA

    Ionizes atoms in the body.

    Destroys vitamin A

    Damages collagen

    30s
    S10FE-IIc-d-48
  • Q10

    Which type of electromagnetic waves cause sunburns?

    microwave

    ultraviolet ray

    gamma rays

    infrared wave

    30s
    S10FE-IIc-d-48
  • Q11

    What type of electromagnetic waves are used to cook food, predict the weather, and for communications?

    microwaves

    gamma rays

    infrared wave

    ultraviolet ray

    30s
    S10FE-IIc-d-48
  • Q12

    Which is common between a microwave oven and RADAR?

    chamber

    waveguide

    magnetron

    filament

    30s
    S10FE-IIc-d-48
  • Q13

    What type of electromagnetic waves are used to take pictures of bones in Medicine?

    ultraviolet ray

    infrared wave

    microwaves

    x-rays

    30s
    S10FE-IIc-d-48
  • Q14

    What is the safety protocol for X-ray?

    Decrease time, increase shielding, and increase distancing

    Increase time, increase shielding, and increase distancing

    Increase time, decrease shielding, and decrease distancing

    Decrease time, decrease shielding, and decrease distancing

    30s
    S10FE-IIc-d-48
  • Q15

    Which is NOT a probable result of the human tissue’s exposure to ionizing radiation?

    death

    Cancer

    Viral infection

    Cellular damage

    30s
    S10FE-IIc-d-48

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