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Year 7 Physics > Light > Flashcards

Flashcards in Light Deck (7)
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1

Why does a red ball look red?

It reflects the red light from the sun, all other colours get absorbed by the ball.

2

How are rainbows made?

Light is separated into different colours through raindrops.

3

What is the function of the retina?

It is where the image is formed in the eye.

4

What is the name of the hole in your eye which the light passes through?

Pupil.

5

How does light travel?

Light travels in straight lines.
It cannot travel through opaque objects.
Light travels at 300,000 km/s

6

What happens to light as it enters a glass block?

It gets bent towards the normal line.

7

Why does light bend when it enters a glass block?

As it enters it slows down, so it refracts.