Quiz on Concave and Convex Lenses

What is the shape of a convex lens?

• Thicker at the center, bulging outward

• Thinner at the center, curving inward

• Flat on both sides

• Curved inward on both sides

What type of images can a convex lens form?

• Only real images

• Only virtual images

• Real and virtual images

• No images

What is the principal focus of a concave lens?

• Real, located on the side of incoming light

• Virtual, located on the same side as incoming light

• Real, located on the opposite side of incoming light

• No principal focus

Which lens is known as a converging lens?

• Convex lens

• Plano concave lens

• Concave lens

• Biconcave lens

What is the focal length of a convex lens?

• Positive focal length

• Zero focal length

• Negative focal length

• Infinite focal length

Which lens is used to correct nearsightedness?

• Convex lens

• Biconvex lens

• Plano convex lens

• Concave lens

What is a common application of convex lenses?

• Peepholes

• Corrective eyeglasses for myopia

• Magnifying glasses

• Beam expansion setups

Tags

NGSS.MS-PS4-2

What type of lens is used in projectors?

• Concave lens

• Convex lens

• Biconcave lens

• Plano concave lens

Which lens type is more prone to chromatic aberration?

• Biconcave lens

• Plano concave lens

• Convex lens

• Concave lens

What is the shape of a concave lens?

• Flat on both sides

• Curved outward on both sides

• Thinner at the center, curving inward

• Thicker at the center, bulging outward