Refraction and Diffraction Flashcard

Refraction and Diffraction Flashcard

Assessment

Flashcard

Physics

8th - 11th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, caused by a change in its speed.

2.

FLASHCARD QUESTION

Front

What is diffraction?

Back

Diffraction is the bending and spreading of waves, including light, when they encounter an obstacle or pass through a narrow opening.

3.

FLASHCARD QUESTION

Front

What causes the colors of a rainbow?

Back

The colors of a rainbow are caused by the refraction of white light at different angles as it passes through water droplets.

4.

FLASHCARD QUESTION

Front

How does light change speed?

Back

Light changes speed when it moves from one medium to another, such as from air to water.

5.

FLASHCARD QUESTION

Front

What is an example of refraction?

Back

An example of refraction is a straw appearing bent when placed in a glass of water.

6.

FLASHCARD QUESTION

Front

What is an example of diffraction?

Back

An example of diffraction is your voice echoing back when you shout into a canyon.

7.

FLASHCARD QUESTION

Front

What happens to light when it enters a denser medium?

Back

When light enters a denser medium, it slows down and bends towards the normal line.

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