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Question 1

Visible Light is made up of what colours?

Answer 1

Red, Orange, Yellow, Green, Blue, Indigo, Violet

Question 2

Transmitted
meaning in properties of light

Answer 2

Light passes through transparent objects

Question 3

Reflected
meaning in properties of light

Answer 3

Light Bounce off objects

Question 4

Absorbed
meaning in properties of light

Answer 4

Objects take in the energy and convert it to heat energy

Question 5

What is the Law of Reflection?

Answer 5

the angle of reflection equals the angle of incidence

Question 6

Regular reflection meaning

Answer 6

Plane (flat) mirrors reflect light in a regular way (at the same angle). the reflected rays will also be parallel

Question 7

Diffuse Reflection meaning

Answer 7

Most objects reflect irregularly because their surface is NOT perfectly smooth. Light is reflected in all directions. diffuse

Question 8

Concave mirrors

Answer 8

• curve inwards (like a cave)
• Parallel light rays are reflected from the mirror and converge at a point where they cross. This is called the focal point (f)

Question 9

Focal length meaning

Answer 9

the distance from a lens or mirror to the focal point ( F )

Question 10

Concave mirrors are used in

Answer 10

torches, headlights, magnifying mirrors

Question 11

Convex mirrors

Answer 11

• mirrors curve outwards (like a balloon)
• The light rays diverge (spread out)
• The focal point is behind the mirror.

Question 12

Know where and what the law of reflections are on straight line

Answer 12

-incident ray
- normal
- reflected ray
- angle of incidence
- and angle of reflection