Light And Sound

Question 1

The white light By the prism to form a

Answer 1

Dispersed

Spectrum

Question 2

Triangular glass bock that will disperse white light into the spectrum =

Answer 2

Prism

Question 3

Transparent material that will absorb certain colours of light and allow others to pass through

Answer 3

Filter

Question 4

An object that doesn’t let light pass through it

Answer 4

Opaque

Question 5

The only body in the solar system that is a light system

Answer 5

Sun

Question 6

An object that gives out its own light

Answer 6

Luminous

Question 7

What is the law of reflection

Answer 7

Angle of incidence is the same as the angle of reflection

Question 8

All sounds are caused by what

Answer 8

Vibration

Question 9

Sound travels in what

Answer 9

Sound waves

Question 10

Sound waves can travel through what

Answer 10

Solid liquid gas

Question 11

What can sound waves not travel through

Answer 11

A vacuum

Question 12

What does the amplitude control

Answer 12

Loudness

Question 13

What does the frequency control

Answer 13

Pitch

Question 14

Large amplitude

Answer 14

Loud sound

Question 15

Small amplitude

Answer 15

Quiet sound

Question 16

More frequent

Answer 16

Higher pitch

Question 17

Less frequent

Answer 17

Lower pitch

Question 18

Amplitude is measured in what

Answer 18

M or cm

Question 19

Frequency is what

Answer 19

Number of waves per second

Hertz

Question 20

What is amplitude

Answer 20

Height of a wave

Question 21

Sound travels fastest through

Answer 21

Solid

Question 22

Sound travels slowest through

Answer 22

Gas

Question 23

Speed of sound through water

Answer 23

1510 m/s

Question 24

Sound is measured in what

Answer 24

Decibels