SCIENCE 10 2ND SUMMATIVE TEST
Quiz by Jenny Dela Vega
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- Q1
Which electromagnetic waves have the shortest wavelength?
gamma ray
radio wave
microwave
X – ray waves
30sS10FE-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
30sS10FE-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
30sS10FE-IIa-b-47 - Q4
What color in the visible spectrum carries the lowest energy?
orange
blue
violet
red
30sS10FE-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
30sS10FE-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
30sS10FE-IIc-d-48 - Q7
What electromagnetic wave has the highest energy?
Visible light
Gamma ray
Ultraviolet wave
Radio wave
30sS10FE-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
30sS10FE-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
30sS10FE-IIc-d-48 - Q10
Which type of electromagnetic waves cause sunburns?
microwave
ultraviolet ray
gamma rays
infrared wave
30sS10FE-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
30sS10FE-IIc-d-48 - Q12
Which is common between a microwave oven and RADAR?
chamber
waveguide
magnetron
filament
30sS10FE-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
30sS10FE-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
30sS10FE-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
30sS10FE-IIc-d-48