Question

Point "A" in the diagram below is the wave's _________________.

Answer 1

A. crest


B. trough


C. amplitude


D. rest position

Answer 2

@DollyAcquah

Answer 3

"Crest"

Answer 4

thank you!

Another one-

Point "B" in the diagram below is the wave's _________________.


A. crest


B. trough


C. amplitude


D. rest position

Answer 5

I'm thinking " rest position"

Answer 6

thank you!

another one, same diagram-

Point "C" in the diagram below is the wave's _________________.

A. crest

B. trough

C. amplitude

D. rest position

Answer 7

" amplitude"

Answer 8

thank you!

another one-

Light travels in ________________ waves.

A. mechanical

B. evidentiary

C. electromagnetic

D. circumstantial

Answer 9

I'm thinking "Mechanical"

Answer 10

Thank you!!

Another one-

Sound travels in ________________ waves.

A. evidentiary

B. electromagnetic

C. circumstantial

D. mechanical

Answer 11

"B. electromagnetic"

Answer 12

Thank you!!

another one-

Which type of wave is UNABLE to travel through the vacuum of space?

A. mechanical

B. evidentiary

C. circumstantial

D. electromagnetic

Answer 13

mechanical

Answer 14

thank you

Another one-

Which type of wave does not require a medium in order to travel?

A. mechanical

B. circumstantial

C. electromagnetic

D. evidentiary

Answer 15

"C. electromagnetic "

Answer 16

thank you

another one-

Which type of wave travels more slowly through denser material?

D. circumstantial

B. evidentiary

C. mechanical

D. electromagnetic

Answer 17

"D. electromagnetic"

Answer 18

thank you!!

Another one-

Why does the pencil appear to be bent?

A. Because the speed of light is always constant.

B. Because light has no speed in our atmosphere.

C. Because light travels more slowly in water than it does in air.

D. Because light travels more quickly in water than it does in air.

Answer 19

C. Because light travels more slowly in water than it does in air.

Answer 20

Thank you!!

another one-
What type of lens is this?

A. Phlegmatic

B. Inertial

C. Convex

D. Concave

Answer 21

D. Concave

Answer 22

Thank you

Another one-

What type of lens is this?

A. Phlegmatic

B. Inertial

C. Convex

D. Concave

Answer 23

concave

Answer 24

how can both of them be concave?

Answer 25

I meant convex :P for the second one

Answer 26

Thanks!

Last one!!-

What does the Law of Reflection state?

A. The angle of incidence is always greater than the angle of reflection.

B. The angle of incidence is always equal to the angle of reflection.

C. The angle of incidence is never equal to the angle of reflection.

D. The angle of incidence is always less than the angle of reflection.

Answer 27

"The law of reflection states that when a ray of light reflects off a surface, the angle of incidence is equal to the angle of reflection."

Answer 28

so B

Answer 29

thank you, that was the last question for that test!

Answer 30

you're welcome :)