How Does Gravity Affect Light?

How Does Gravity Affect Light?

Assessment

Interactive Video

Physics, Science

11th Grade - University

Easy

Created by

Wayground Content

Used 1+ times

FREE Resource

The video explores the relationship between light and gravity, starting with historical predictions by John Mitchell and Henry Cavendish. It delves into Einstein's general theory of relativity, explaining concepts like gravitational redshift and the equivalence principle. The video also covers the deflection of light by gravity, using Huygens' principle and Einstein's calculations, which were verified by Eddington's observations during a solar eclipse.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What did John Mitchell and Henry Cavendish incorrectly assume about light?

That light behaves like a wave

That light has mass

That light cannot be deflected

That light can be slowed down

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to Einstein's general theory of relativity, how does gravity affect light?

It stops light completely

It changes the color of light

It bends the path of light

It speeds up light

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equivalence principle?

The idea that light is both a wave and a particle

The concept that gravity and acceleration are indistinguishable

The theory that time runs slower in gravitational fields

The principle that light speed is constant

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does gravitational time dilation affect light?

It increases the frequency of light

It decreases the wavelength of light

It causes light to redshift

It makes light travel faster

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What phenomenon explains the bending of light in gravitational fields?

Refraction

Reflection

Diffraction

Polarization

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What principle did Huygens propose about waves?

Waves can be described as point-like oscillations

Waves are made of particles

Waves travel faster in a vacuum

Waves cannot bend

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How did Einstein's calculation of light deflection differ from Cavendish's?

It was half the deflection

It showed no deflection

It was twice the deflection

It was the same as Cavendish's

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