Q2-SCIENCE 10-SUMMATIVE-TEST-2021-2022

Quiz by Merced Ansay

Science

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40 questions
• Q1

Which electromagnetic waves have the shortest wavelength?

microwave

X – ray waves

gamma ray

30s
• 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 103 m 2 x 10-9 m, 2 x 10-1 m respectively, which of the three travels the fastest?

X - ray waves

They all travel at the same speed.

microwave

30s
• Q3

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

neither A nor B

both A and B

Wavelength decreases

Energy carried by the wave decreases.

30s
• Q4

What color in the visible spectrum carries the lowest energy?

red

orange

blue

violet

30s
• Q5

A certain FM radio station broadcasts at 90.5 MHz or 9.05 x 107 Hz. The radio wave travels at the speed of light, what is its wavelength?

2.72 x 1016

0.05 m

3.31 m

2.72 x1010 m

30s
• Q6

What electromagnetic wave has the highest energy?

Gamma ray

Visible light

Ultraviolet wave

30s
• Q7

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

wavelength increases, frequency decreases

wavelength decreases, frequency increases

wavelength decreases, frequency decreases

wavelength increases, frequency increases

30s
• Q8

How does a microwave oven work?

Food Compartment Magnetron Blasts Wave Guide

Magnetron Blasts WaveGuide Food Compartment

WaveGuide Food Compartment Magnetron Blast

Magnetron Blasts Food Compartment Wave Guide

30s
• Q9

Which is NOT a negative effect of ultraviolet radiation?

Damages collagen

Destroys vitamin A

Ionizes atoms in the body

Damages DNA

30s
• Q10

Which type of electromagnetic waves cause sunburns?

infrared wave

microwave

ultraviolet ray

gamma rays

30s
• Q11

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

microwaves

infrared wave

gamma rays

ultraviolet ray

30s
• Q12

Which is common between a microwave oven and RADAR?

filament

waveguide

magnetron

chamber

30s
• Q13

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

ultraviolet ray

microwaves

infrared wave

x-rays

30s
• Q14

What is the safety protocol for X-ray?

Increase time, increase shielding, and increase distancing

D. Increase time, decrease shielding, and decrease distancing

Decrease time, decrease shielding, and decrease distancing

Decrease time, increase shielding, and increase distancing

30s
• Q15

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

Cancer

Cellular damage

Death

Viral infection

30s

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