Reflection and Refraction

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

• equal

• double

• half

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

• A

• B

• C

• D

1. Which of the following characteristics is NOT true about the image formed by a plane mirror?

• A. It is always upright.

• B. It is a virtual image.

• C. The image formed is real.

• D. The size of the image is equal to the size of the object.

What is true about the size of the image formed by plane mirrors with respect to the object?

• It is reduced

• It is the same size

• It is larger

• It is infinite

When light bends it is ______

• Reflection

• Absorption

• refraction

• optical density

Why does the straw appear to be bent?

• light is reflected

• light is absorbed

• light is turned

• light is refracted

What kind of wave is pictured below?

• compressional wave
• transverse wave
• sound wave
• mechanical wave

Which letter represents wavelength?

• A
• B
• C
• D

Which letter represents the wave crest?

• A
• B
• C
• D

Which letter represents the wave trough?

• A
• B
• C
• D