Test 1

Question 1

What is the amplitude

Answer 1

The middle of the wave to the crest

Question 2

What are the top and bottom of the wave called

Answer 2

Crest and trough

Question 3

How do you measure wave length

Answer 3

Through ti trough or crest to crest

Question 4

How do i get the normal line

Answer 4

Parallel to the side

Question 5

What is the speed of light

Answer 5

300000000m/s

Question 6

Why does light refract

Answer 6

The glass is denser than the air

Question 7

What are all the members of the em spectrum

Answer 7

Radio, microwaves, inferred, visible,ultraviolet,x-rays and gamma rays

Question 8

What is a x ray used for

Answer 8

Seeing bones

Question 9

How does a microwave heat up food

Answer 9

Small vibrations generating heat to cook your food

Question 10

Where is the angle of incidence and the line of refraction

Answer 10

Between the normal and light line

Question 11

What do all the em have in common

Answer 11

They all transfer energy
They all are transverse waves
They all travel at the speed of light

Question 12

What wave is a sound wave

Answer 12

Longitudinal

Question 13

How strong is the humans hearing

Answer 13

20hz -20khz

Question 14

How loud is ultra sound

Answer 14

20k+

Question 15

What is the axis line

Answer 15

The middle line

Question 16

What is frequency

Answer 16

Number of waves per second

Question 17

What do we gain from Visible light

Answer 17

Seeing

Question 18

What do we get from Ultra violet

Answer 18

Tan, cancer you can decrease the risk of this by staying out of the sun and using sun cream