Light is absorbed, transmitted or reflected when it hits __________.

• a surface

• a vacuum

• a shadow

• a sound wave

What is generated by solar panels?

• Water

• Electricity

• Gas

Anything that is black does not reflect any wavelengths of light.

• True

• False

Mirrors can only be flat.

• True

• False

When a ray of light strikes a reflective surface, what is the relationship between the angle of incidence and the angle of reflection?

• The angle of incidence is always greater than the angle of reflection.

• • The angle of incidence is always less than the angle of reflection.

• The angle of incidence is equal to the angle of reflection.

• • There is no relationship between the angle of incidence and the angle of reflection.

The angle at which light hits a mirror is called the angle of ________________.

• incidence

• reflection

• refraction

• diffraction

Concave mirrors turn outwards.

• True

• False

How are virtual images created?

• By converging light rays

• By diverging light rays

• By reflecting light rays

• By refracting light rays

How is light related to the high value of diamonds?

• Light enhances the color of diamonds.

• Light increases the size of diamonds.

• Light contributes to the brilliance and sparkle of diamonds.

• Light changes the shape of diamonds.

Which of these statements is true?

• Light travels in straight lines.
• Light is stopped when it meets a solid object.
• Light does not travel in straight lines.
• Light will only travel for about 2000km before it stops.