Exploring the Speed of Light
Authored by jonida stafaj
Physics
8th Grade
NGSS covered
Used 5+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the speed of light in a vacuum?
299,792 kilometers per second
150,000,000 meters per second
299,792,458 meters per second
300,000,000 meters per second
Tags
NGSS.HS-PS4-1
NGSS.HS-PS4-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does light speed change in water compared to air?
Light speed decreases in water compared to air.
Light speed is faster in water than in a vacuum.
Light speed remains the same in water and air.
Light speed increases in water compared to air.
Tags
NGSS.HS-PS4-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does light travel slower in denser mediums?
Light speed is constant regardless of the medium's density.
Light travels faster in denser mediums due to less interaction with particles.
Light travels slower in denser mediums because it interacts more with the particles in the medium, causing delays.
Denser mediums have fewer particles, allowing light to move freely.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to calculate the speed of light in a medium?
v = n/c
v = c + n
v = c/n
v = c * n
Tags
NGSS.HS-PS4-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the refractive index of a medium?
The refractive index is the angle of incidence of light in a medium.
The refractive index is the ratio of the speed of light in vacuum to the speed of light in the medium.
The refractive index is the temperature of the medium.
The refractive index is the measure of light intensity in a medium.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the speed of light in diamond compare to that in air?
The speed of light in diamond is slightly slower than in air.
The speed of light in diamond is the same as in air.
The speed of light in diamond is faster than in air.
The speed of light in diamond is much slower than in air.
Tags
NGSS.HS-PS4-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to light speed when it enters a prism?
Light speed increases and straightens when it enters a prism.
Light speed decreases and bends when it enters a prism.
Light speed remains constant and does not change direction in a prism.
Light speed disappears completely when it enters a prism.
Tags
NGSS.MS-PS4-2
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