Types of Lenses

Lenses

Multiple Choice

Is a convex lens thicker or thinner in the middle?

• Thicker

• Thinner

Multiple Choice

A diverging lens is also known as a ____lens.

• refracted

• diffracted

• convex

• concave

Multiple Choice

What does the word "diverging" mean?

• to spread apart

• to come together

• parallel

• perpendicular

Multiple Choice

A converging lens is also known as a ____ lens.

• convex

• concave

• double

• refracted

Multiple Choice

What does the word "converging" mean?

• to separate

• to come together

• parallel

• perpendicular

Multiple Choice

This image is.....

• inverted and smaller

• inverted and larger

• not inverted and smaller

• not inverted and larger

Multiple Choice

When an object is placed between the focal point and the convex lens, the image produced is ___.

• real, reduced, and inverted

• real, enlarged, and inverted

• virtual, enlarged, and upright

• virtual, reduced, and upright

Multiple Choice

An object is placed 20 cm from a convex lens of focal length 15 cm. What is the image distance and the nature of the image?

• 60 cm, real image

• 30 cm, real image

• Image not formed

• 15 cm, virtual image

Multiple Choice

An object is located 35.0 cm from a converging lens. The lens forms a real image at a distance of 15.0 cm. What is the focal length?

• 0.0953 cm

• 10.5 cm

• 26.2 cm

• 0.0678 cm