What order do the colours of the visible spectrum appear when moving from lowest energy to highest energy?

Red, Orange, Yellow, Green, Blue, Indigo, Violet

Violet, Indigo, Blue, Green, Yellow, Orange, Red

Yellow, Green, Blue, Indigo, Violet, Red, Orange

Indigo, Green, Orange, Violet, Blue, Yellow, Red

When light enters glass (more dense) from air (less dense) the light bends towards the normal because

The light wave continues at the same speed

When light exit glass (more dense) to air (less dense) the light bends away from the normal because

The light wave continues at the same speed

Why can you only see a faint reflection of yourself in a clear window during the daytime?

The glass lets most light through and reflects only a small amount

The glass completely absorbs all the light that hits it

The glass reflects most of the light and lets a little through

The glass bends light too much for a reflection to form

When you look through a clear window during the day, you can faintly see your own reflection and also see any objects on the other side. Why is this possible?

The glass lets most light through but also reflects a small amount

The glass only reflects light and does not allow light through

The glass absorbs all the light from both sides

The glass creates an optical illusion that shows both images

Why is a piece of wood opaque?

A piece of wood is opaque because its structure absorbs and reflects light, preventing it from passing through.

Wood is opaque because it is made of plastic.

Wood is opaque due to its color being dark.

Wood is transparent because it allows light to pass through.

When the light ray exits the gemstone (diagram) back into the air the emergent ray will...

Follow the same path as the refracted ray

Sound waves cannot travel in a vacuum (empty space) because

there are no particles to vibrate and carry the sound waves.

Sound can travel in a vacuum through light particles.

Sound can travel in a vacuum if it is loud enough.

of electromagnetic waves blocking them.

A way to remember the order of colours of the visible spectrum (rainbow)

Each letter stands for the first letter of the colours of the rainbow

Why does the emergent ray bend away from the normal when light exits glass (more dense) into air (less dense)?

The emergent ray bends away from the normal due to the increase in speed of light as it exits glass into air.

The emergent ray does not bend when exiting glass into air.

The emergent ray bends away from the normal due to a decrease in speed.

Year 9 Waves Review

Quiz

•

Physics

•

7th - 12th Grade

•

Practice Problem

•

Hard

J Smith

Used 1+ times

FREE Resource

45 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

On this longitudinal wave, what is A?

Rarefaction

Compression

Wavelength

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

On this longitudinal wave, what is B?

Rarefaction

Compression

Wavelength

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

On this longitudinal wave, what is C?

Rarefaction

Compression

Wavelength

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

On this transverse wave, what is A?

The amplitude of the wave

The wavelength

A crest

A trough

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

On this transverse wave, what is B?

The amplitude of the wave

The wavelength

A crest

A trough

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

On this transverse wave, what is C?

The amplitude of the wave

The wavelength

A crest

A trough

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

On this transverse wave, what is D?

The amplitude of the wave

The wavelength

A crest

A trough

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Year 9 Waves Review

45 questions

On this longitudinal wave, what is A?

On this longitudinal wave, what is B?

On this longitudinal wave, what is C?

On this transverse wave, what is A?

On this transverse wave, what is B?

On this transverse wave, what is C?

On this transverse wave, what is D?

Put the electromagnetic waves (light waves) in order from longest wavelength to shortest wavelength

Put the electromagnetic waves (light waves) in order from longest frequency to shortest frequency

What order do the colours of the visible spectrum appear when moving from lowest energy to highest energy?

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