Light and Color

How do filters affect light?

• They transmit some colours and reflect others

• They transmit some colours and absorb others

• They reflect some colours and absorb others

• they reflect and absorb all the colours

Which colours of light does a green filter transmit and which does it absorb?

• It transmits red and blue light, and it absorbs green light

• It transmits green light, and it absorbs red and blue light

• It transmits green and blue light, and it absorbs red light

• It absorb and reflect green colour only

How do coloured surfaces affect light?

• They reflect some colours and transmit others

• They reflect some colours and absorb others

• They transmit some colours and absorb others

• they absorb some colours and transmit it

What is the incident ray?

• The angle at which the light hits the mirror

• The ray travelling away from the mirror or object

• The angle at which the light goes away from the mirror

• The ray travelling towards the mirror or object

What is the normal?

• A line at 90° to the surface of the mirror

• The hatched lines representing the back of the mirror

• A line representing the surface of the mirror

• A line that has parallel to the surface of the mirror

The angle of incidence is always equal to what?

• The angle of reflection

• The angle of the normal

• 90°

• 180°

Why does light refract?

• Its frequency changes

• Its speed changes

• Its size changes

• the quality of the medium

Which direction would light refract when travelling from air to glass?

• It would move along the normal

• Towards the normal

• Away from the normal

• it will be absorbed

What is the angle of refraction?

• The angle between the incident ray and the normal

• The angle between the reflected ray and the normal

• The angle between the refracted ray and the normal

• The angle between the incident ray and the refracted ray

which medium that can make light run at the highest speed?

• air

• water

• glass

• diamond