Year 7 Light and Optics Quiz V3

What do transparent objects do?

• Block light

• Allow light to pass through

• Reflect light

• Absorb light

Which of the following is an example of a translucent object?

• A mirror

• A bathroom window

• A brick wall

• A clear glass

What happens to light when it hits an opaque object?

• It passes through

• It is reflected

• It is blocked

• It is transmitted

What do light rays represent?

• The speed of light

• The direction light moves

• The color of light

• The brightness of light

How does light behave as you move further from its source?

• It gets brighter

• It stays the same

• It gets dimmer

• It changes color

What forms when a bright light shines on an opaque object?

• A reflection

• A shadow

• A beam

• A glare

What happens to a shadow when the light source is moved closer?

• It disappears

• It gets lighter

• It gets bigger

• It stays the same

What is the angle of incidence?

• The angle of light entering a mirror

• The angle of light leaving a mirror

• The angle between the incident ray and the normal

• The angle of the shadow

According to the 1st law of reflection, what is true?

• Angle of incidence is greater than angle of reflection

• Angle of reflection is always equal to angle of incidence

• Angle of incidence is always less than angle of reflection

• There is no relationship

What is the purpose of the pupil in the eye?

• To reflect light

• To focus light

• To let light into the eye

• To emit light