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What is the law of reflection?

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

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

• Light always passes through a mirror.

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

Tags

NGSS.MS-PS4-2

Which of the following best describes a convex mirror?

• A mirror that curves inward like the inside of a bowl.

• A flat mirror.

• A mirror that curves outward like the back of a spoon.

• A mirror that has no curvature.

What is specular reflection?

• Reflection from a rough surface that scatters light in many directions.

• Reflection from a smooth surface where light rays remain parallel.

• Absorption of light by a surface.

• Transmission of light through a surface.

Tags

NGSS.MS-PS4-2

Which type of mirror is commonly used as a rear-view mirror in vehicles?

• Concave mirror

• Convex mirror

• Plane mirror

• Parabolic mirror

What is the main difference between specular and diffuse reflection?

• Specular reflection occurs on rough surfaces, diffuse on smooth.

• Specular reflection scatters light, diffuse keeps light parallel.

• Specular reflection keeps light rays parallel, diffuse scatters them.

• There is no difference.

Tags

NGSS.MS-PS4-2

Which of the following is an application of a concave mirror?

• Used as a side mirror in cars

• Used in shaving mirrors to magnify the face

• Used in street lights

• Used in sunglasses

Why are convex mirrors preferred for security and surveillance purposes?

• They produce magnified images.

• They provide a wider field of view.

• They focus light to a point.

• They absorb more light.

Tags

NGSS.MS-PS4-2

A student observes that a piece of paper reflects light in many directions, making it hard to see a clear image. What type of reflection is this?

• Specular reflection

• Diffuse reflection

• Total internal reflection

• No reflection

Tags

NGSS.MS-PS4-2

Which type of mirror would you use to focus sunlight to a single point to start a fire?

• Convex mirror

• Concave mirror

• Plane mirror

• Diffuse mirror

Tags

NGSS.MS-PS4-2