2nd Quarter Summative Assessment
Quiz by Mark Anthony Casimiro
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- Q1
Which electromagnetic waves have the shortest wavelength?
X – ray waves
radio wave
gamma raymicrowave
60s - Q2
Radio waves, X-ray waves, and microwaves are observed to be traveling in a vacuum. If the waves have a wavelength of2 x 103 m, 2 x 10-9 m, 2 x 10-1 m respectively, which of the three travels the fastest?
X - ray waves
radio wave
microwave
They all travel at the same speed.
60s - Q3
How does a decrease in the frequency affect the electromagnetic wave?
Wavelength decreases.
neither A nor B
both A and B
Energy carried by the wave decreases.
60s - Q4
What color in the visible spectrum carries the lowest energy?
red
orange
blue
violet
60s - 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 x1010 m
0.05
2.72 x 1016 m
3.31 m
60s - Q6
What will happen to the frequency and wavelength if the energy of the waves decreases?
wavelength increases, frequency increases
wavelength decreases, frequency decreases
wavelength decreases, frequency increases
wavelength increases, frequency decreases
60s - Q7
What electromagnetic wave has the highest energy?
Ultraviolet wave
Gamma ray
Visible light
Radio wave
60s - Q8
How does a microwave oven work?
Magnetron Blasts----> WaveGuide----> Food Compartment
Magnetron Blasts----> Food Compartment----> Wave Guide
Food Compartment----> Magnetron Blasts----> Wave Guide
WaveGuide----> Food Compartment----> Magnetron Blast
60s - Q9
Which is NOT a negative effect of ultraviolet radiation?
Damages DNA
Destroys vitamin A.
Damages collagen
Ionizes atoms in the body.
60s - Q10
Which type of electromagnetic waves cause sunburns?
microwave
gamma rays
infrared wave
ultraviolet ray
60s - Q11
What type of electromagnetic waves are used to cook food, predict the weather, and for communications?
microwaves
ultraviolet ray
gamma rays
infrared wave
60s - Q12
Which is common between a microwave oven and RADAR?
filament
waveguide
chamber
magnetron
60s - Q13
What type of electromagnetic waves are used to take pictures of bones in Medicine?
x-rays
ultraviolet ray
microwaves
infrared wave
60s - Q14
What is the safety protocol for X-ray?
Decrease time, decrease shielding, and decrease distancing
Increase time, decrease shielding, and decrease distancing
Decrease time, increase shielding, and increase distancing
Increase time, increase shielding, and increase distancing
60s - Q15
Which is NOT a probable result of the human tissue’s exposure to ionizing radiation?
Death
Cancer
Cellular damage
Viral infection
60s