CKLA Unit 5 chapters 1-4 flashcard

Front

What type of waves carry the most energy?

Back

Short waves carry the most energy.

Front

What is a mirror with a flat surface called?

Back

A plane mirror has a flat surface.

Front

How fast does light travel?

Back

Light travels at 186,000 miles per second.

Front

What can concave mirrors be used for?

Back

Concave mirrors can provide heat using the sun's light.

Front

What does 'opaque' mean?

Back

'Opaque' means not clear; blocking all light so none gets through.

Front

What type of mirror curves outward?

Back

A convex mirror curves outward.

Front

What is the definition of 'transparent'?

Back

'Transparent' means allowing light to pass through so that objects behind can be distinctly seen.

Front

What is the definition of 'translucent'?

Back

'Translucent' means allowing some light to pass through, but not enough to see clearly.

Front

What happens when light hits a concave mirror?

Back

Light rays converge at a focal point when they hit a concave mirror.

Front

What is reflection?

Back

Reflection is when light bounces off a surface.