Light

Question 1

How does light get to us

Answer 1

In electromagnetic waves

Question 2

What are two properties of light

Answer 2

It travels at 300,000,000 m/s

It travels in straight lines

Question 3

When do we see an object

Answer 3

When light reflects from the object and enters our eyes

Question 4

What is an luminous object

Answer 4

A light source (sun,lightbulb,fire)

Question 5

What is an non luminous object

Answer 5

Pen
Wall
Book

Question 6

How can light move

Answer 6

It can be absorbed
reflected
Transmitted

Question 7

What are the types of material

Answer 7

Transparent
Translucent
Opaque

Question 8

What is a normal

Answer 8

A line drawn at a right angle to the boundary point

Question 9

What is an incident Ray

Answer 9

Is the incoming light

Question 10

What is the angle of incidence

Answer 10

The angle between the incessant Ray and the normal

Question 11

Define the reflected Ray

Answer 11

The light reflected off the surface

Question 12

What does the law of reflection state

Answer 12

Angle of incidence = angle of reflection

Question 13

What is regular reflection

Answer 13

Produces a clear image on the surface of an object

Question 14

Wash is diffuse reflection

Answer 14

Doesn’t form any image on the surface

Question 15

What happens with regular reflection

Answer 15

Light rays reflect off a smooth surface

Question 16

What happens with diffuse reflection

Answer 16

Light rays reflect off a rough surface

Question 17

What is lateral inversion

Answer 17

When the image is reversed sideways so the right side appears to be the left side

Question 18

What are five properties of mirror image

Answer 18

Virtual
Laterally inverted
Upright
Same size
Image appears the same

Question 19

Where do we get the most light from

Answer 19

The sun