WavesReview

Rays of light from a point object, after refraction through the lens actually meet to form an image.

• real image

• virtual image

• actual image

• erect image

This image is.....

• inverted and smaller

• inverted and larger

• not inverted and smaller

• not inverted and larger

A real image...

• is produced by virtual rays and can be projected on a screen

• is produced by real rays and cannot be projected on a screen

• is produced by virtual images and cannot be projected on a screen

• is produced by real rays and can be projected on a screen

The angle of reflection is ________ the angle of incidence.

• great than

• less than

• equal to

A converging lens produces an image twice the size of the original. If the object is placed 0.40 m from the lens, and the image produced is 0.80 m from the lens. What is the focal length of the lens? 

• 0.351 m
• 0.267 m
• 0.416 m
• 0.112 m

A tree 20 m high is located 40 m from the converging lens of focal length 0.08 m.Calculate the distance from the lens to the image.

• 0.08 m

• 0.01 m

• 0.10 m

• 0.20 m

What type of image is formed?

• virtual and inverted

• virtual and upright

• real and upright

• real and inverted

In the thin lens equation, do represents 

• Distance of the object from the lens
• Distance of the image from the lens

___ is when light travels through a material and bends.

• Diffraction
• Dispersion
• Mirage
• Refraction

The size of an object and its image are the same in this type of mirror...

• Plane

• Convex

• Concave