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Gravitational Waves and LIGO

Gravitational Waves and LIGO

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of the LIGO facility?

To measure the speed of light in a vacuum

To detect gravitational waves from cosmic events

To observe the formation of new galaxies

To study the effects of black holes on nearby stars

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Gravitational waves are similar to which of the following phenomena?

Magnetic fields around a magnet

Ripples on a pond

Light waves in a vacuum

Sound waves in air

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the speed of gravitational waves?

They are instantaneous

They travel faster than light

They travel at the same speed as light

They are slower than sound

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does LIGO detect gravitational waves?

By capturing images of cosmic events

By measuring changes in light intensity

By observing changes in laser beam paths

By detecting sound waves in space

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why must LIGO detectors be placed far from human activity?

To minimize vibrations affecting the detectors

To prevent interference from sound waves

To ensure clear visibility of the sky

To avoid light pollution

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a unique feature of LIGO's detector arms?

They are flexible and can bend

They are made of solid steel

They are under vacuum

They are filled with water

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effective length of LIGO's arms due to light bouncing?

4 kilometers

1200 kilometers

12,000 kilometers

120 kilometers

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