Q2-SCIENCE 10-SUMMATIVE-TEST-2021-2022
Quiz by Merced Ansay
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- Q1
Which electromagnetic waves have the shortest wavelength?
microwave
radio wave
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.
radio wave
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 m
0.05 m
3.31 m
2.72 x1010 m
30s - Q6
What electromagnetic wave has the highest energy?
Radio wave
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