11X Revision Quiz

When light bounces back it is _____

• Reflected
• Refracted
• Absorbed
• Optical Density

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

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

In the diagram, which letter represents the angle of incidence?

• A

• B

• C

• D

Law of reflection state that - The angle of incidence is .................. to the angle of reflection.

• equal
• double
• half

high point of a wave

• crest

• trough

• amplitude

• wavelength

when a wave is bent by traveling from one medium to another

• reflection

• refraction

• absorption

• propagation

Sound waves travel the fastest through ---

• Liquids

• Gases

• Solids

The velocity of light in vacuum is _______ m/s

• 3x10⁸
• 3x10¹²
• 3x10⁶
• 3x10¹⁰

Light has the lowest velocity in which medium?
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45

• diamond
• water
• flint glass
• barium glass

• 1.5

• 1.4

• 1.45

• 1.55