Final MC

Question 1

Energy transferred as heat always moves from an object…

Answer 1

at high temperature to an object at low temperature

Question 2

A crest is ..

Answer 2

an upward displacement in a transverse wave

Question 3

What types of waves require a medium in order to travel?

Answer 3

Mechanincal

Question 4

A wave that is turned back when it meets the boundary of the medium in which it is travelling is said to have undergone
A. refraction
B. reflection
C. diffraction
D. interference

Answer 4

B. reflection

Question 5

The spreading of a wave disturbance beyond the edge of a barrier is 
A. refraction
B. reflection
C. diffraction
D. interference

Answer 5

C. Diffraction

Question 6

The law of reflection is expressed by

Answer 6

i = r

Question 7

Reciprocals

Answer 7

Period of a wave and its frequency

Question 8

refraction

Answer 8

The bending of the path of a wave disturbance as it passes from one medium into another in which there is a different speed

Question 9

An object inside the focal point of a concave mirror will produce what type of image
A. smaller, real, inverted
B. Smaller, real, upright
C. Larger, real, inverted
D. Larger, virtual, upright

Answer 9

D. Larger, virtual, upright

Question 10

Sound waves travel faster in … than air

Answer 10

D. More dense matter

Question 11

Mechanical Waves Requirements

Answer 11

Require material medium

water, sound, spring

Question 12

Electromagnetic Waves Requirements

Answer 12

No Medium required

light, radio, x-rays

Question 13

Transverse Waves

Answer 13

the particles of the medium vibrate perpendicularly to the direction of motion to the wave
(Water, Light)

Question 14

Longitudinal

Answer 14

particles of the medium vibrate parallel to the direction of the wave (Sound)

Question 15

wave pulse

Answer 15

single disturbance, returns to rest after passing

Question 16

Traveling wave

Answer 16

regular repeating vibration

Question 17

Crest

Answer 17

uppermost part of the wave, its highest point

Question 18

Trough

Answer 18

the lowest part on a wave

Question 19

Amplitude

Answer 19

The peak value of a wave (positive or negative) Distance from the undisturbed level to the trough or crest

Question 20

Wavelength

Answer 20

distance between a vibrating particle and the nearest one to it in the same place
There is also distance between two troughs of crests

Question 21

Frequency

Answer 21

number of complete vibrations per second measure in a fixed location

Question 22

Period

Answer 22

How long it takes one complete wave to pass a fixed location

Question 23

Refraction

Answer 23

change in direction of waves at the boundary between two different media

Question 24

Diffraction

Answer 24

the spreading of waves around the edge of a barrier

Question 25

Interference

Answer 25

Where two separate waves meet

Question 26

Concave

Answer 26

Bend away from you

Question 27

Convex

Answer 27

Bend toward you

Question 28

Concave mirror produces what type of image

Answer 28

larger virtual upright