S1 P3 Light - all 50 key terms

What does it mean when a material absorbs light?

• It reflects all the light away.

• It bends the light in a new direction.

• It takes in the light.

• It produces its own light.

The angle of incidence is measured between:

• The reflected ray and the normal.

• The incident ray and the normal.

• The incident ray and the reflected ray.

• The surface and the reflected ray.

What is the angle of reflection?

• The angle between the reflected ray and the normal.

• The angle between the incident ray and the normal.

• The angle at which light enters a material.

• The angle at which light bends when passing through glass.

What is an aperture in a camera?

• The lens that magnifies the image.

• The screen where the image appears.

• The hole at the front that lets in light.

• The button used to take a picture.

Which of the following best describes a camera?

• A device that records and stores sound.

• A device that produces an image.

• A device that emits light.

• A tool for measuring angles of reflection.

What is the function of a CCD in a digital camera?

• To store an image as a chemical reaction.

• To absorb light and convert it into an image.

• To control the amount of light entering the lens.

• To adjust the colour balance in a photo.

What does CCD stand for?

• charged colour device

• charge coupled device

• camera capture device

• camera charger device

A continuous variable is one that:

• Can only take whole number values.

• Can be any number, including decimals.

• Is always increasing over time.

• Changes in fixed steps.

A converging lens:

• Spreads light rays apart.

• Brings light rays together.

• Does not affect light rays.

• Absorbs all light rays.

A convex lens is used to:

• Make rays of light diverge.

• Bring rays of light together.

• Block all light from passing through.

• Reflect light at an angle.