M3 Final s1

Question 1

group of waves

Answer 1

mechanical waves- through a material medium (solid, liquid, or gas)

electromagnetic waves- travels and transfer through empty space

Question 2

type of mechanical waves

Answer 2

1.Longitudinal wave
2.transverse wave

Question 3

Electromagnetic Spectrum (1)

Answer 3

Radio
Microwave
Infrared

Question 4

Electromagnetic Spectrum (2)

Answer 4

visible
ultrasound
x-ray
gramma rays

Question 5

Parts of curved mirror (C) (V) (F) (P) (R) (f)

Answer 5

center of curvature
Vertex
Focus
Principle axis
Radius of curvature
Focal length

Question 6

reflection, refraction and dispersion of light in water droplets, resulting in a spectrum of light appearing in the sky.

Answer 6

Rainbow

Question 7

happens when light bends because of hot air near the ground. It makes you see things, like water on a road or objects in strange places, that aren’t really there. It’s just a trick of light caused by heat.

Answer 7

A mirage

Question 8

Occurs when light from the sun or moon shines through ice crystals in the atmosphere

Answer 8

Halos

Question 9

Earth rotate around the sun the axis tilted about ??

Answer 9

23.5 degree

Question 10

Lunar phase

Question 11

the distance between two identical points

Answer 11

Wavelength

Question 12

It is the maximum height from the center line to the crest or the trough.

The crest is the highest point of the wave and the trough is the lowest point of the wave.

is measured in meters.

Answer 12

Amplitude

Question 13

tells you how quickly the wave is moving forward.