7/23/2019 Mastering Physics Reading Quiz Ch 23 (Ray Optics)

http://slidepdf.com/reader/full/mastering-physics-reading-quiz-ch-23-ray-optics 1/4

Reading Quiz Ch 23 (Ray Optics)

Reading Question 23.08

Part A 

 A lens creates an image as shown. In this situation, the object distance s is

Equal to the focal length  f  .

Smaller than focal length  f  .

Larger than the focal length  f  .

Reading Question 23.01 

What is specular reflection?

The image of a specimen

A reflection that separates different colors

Reflection by a flat smooth object

When the image is virtual and special

7/23/2019 Mastering Physics Reading Quiz Ch 23 (Ray Optics)

http://slidepdf.com/reader/full/mastering-physics-reading-quiz-ch-23-ray-optics 2/4

  A topic not covered in Chapter 23

Reading Question 23.05

 A laser beam passing from medium 1 to medium 2 is refracted as shown. Which is true?

n1 > n2.

n1 < n2.

There's not enough information to compare n1 and n2.

Reading Question 23.03

 A virtual image is

the cause of optical illusions.

a point from which rays appear to diverge.

an image that only seems to exist.

the image that is left in space after you remove a viewing screen.

7/23/2019 Mastering Physics Reading Quiz Ch 23 (Ray Optics)

http://slidepdf.com/reader/full/mastering-physics-reading-quiz-ch-23-ray-optics 3/4

Reading Question 23.07

 A narrow beam of white l ight is incident at an angle on a piece of flint glass. As the light refracts into the

glass,

It remains a narrow beam of white light because all the colors of white were already

traveling in the same direction.

It forms a slightly diverging cone with red rays on top, violet rays on the bottom.

It forms a slightly diverging cone with violet rays on top, red rays on the bottom.

Reading Question 23.02 

 A paraxial ray

moves in a parabolic path.

is a ray that has been reflected from a parabolic mirror.

is a ray that moves nearly parallel to the optical axis.

is a ray that moves exactly parallel to the optical axis.

7/23/2019 Mastering Physics Reading Quiz Ch 23 (Ray Optics)

http://slidepdf.com/reader/full/mastering-physics-reading-quiz-ch-23-ray-optics 4/4

Reading Question 23.06

 A fish in an aquarium with flat sides looks out at a hungry cat. To the fish, the distance to the cat appears

to be

Equal to the actual distance.

More than the actual distance.

Less than the actual distance.