light

Why can't we see anything in a dark room?

• A) Everything is black in colour.

• B) Our eyes do not work in darkness.

• C) No light reaches our eyes.

• D) All the light gets scattered.

A reflecting surface is curved outwards. Which of the following mirrors is it likely to be?

• A) Concave

• B) Plane

• C) Convex

• D) All of the above

The bouncing of light off an object is ....

• a mirror
• absorption
• reflection
• refraction

Light is a kind of.....

• reflection
• energy
• heat
• matter

__________ objects blur light as it passes through them.

• Transparent

• Translucent

• Opaque

• Refraction

The ray of light that strikes a reflecting surface is called ________.

• incident ray
• reflected ray
• normal ray
• none of the above

The imaginary line perpendicular to a reflecting surface is called _____.

• crooked line
• parallel line
• angular line
• normal line

Allowing light to pass through so that objects behind can be distinctly seen

• Reflection

• Refraction

• Transmit

• Transparent