Free Printable Refraction through Lenses

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Refraction through Lenses

Total questions: 20

Worksheet time: 34mins

Name

Class

Date

This image is.....

inverted and smaller

inverted and larger

not inverted and smaller

not inverted and larger

An incident ray that is parallel to the principal axis...

will reflect parallel to the principal axis

will refract through the focal point

will reflect through the center of curvature

will continue along the same path through the lens

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

What is Nearsightedness?

condition that has difficulty seeing things that are close

condition that has difficulty seeing things that are far away

The focal length of this lens is _______.

negative because it can form real images

positive because it can form real images

negative because it can form virtual images

could be positive or negative depending on the image formed

A person standing in front of a lens creates an image that is both smaller than the original and closer to the lens. Classify the image formed in this scenario.

real, inverted

real, upright

virtual, inverted

virtual, upright

Which describes a convex lens?

triangular in shape

more transparent in the middle

thicker on the edges than in the middle

thicker in the middle than on the edges

A converging lens is also known as a ____ lens.

convex

concave

double

refracted

What type of lens do you have in your eye?

Concave

Prismatic

Objective

Convex

10.

When an object is placed on the focal point in front of a convex lens, the image produced is ___.

real, reduced, and inverted

real, enlarged, and inverted

real, true, and inverted

There is no image

11.

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

12.

If an object's distance from a convex lens were increased, the image would become which of the following?

Larger and virtual

Larger, only

Smaller, only

Smaller and virtual

13.

What kind of lens is a magnifying glass?

Convex Lens

Concave Lens

14.

A converging lens has a focal length of 30 cm. A 5 cm tall candle is placed at a distance of 10 cm in front of the lens. Determine the image distance.

- 45 cm

-30 cm

-15 cm

6 cm

15.

A convex lens has a focal length f. If an object is placed at 2f at what distance will the image appear?

between f and 2f

infinity

16.

An object of height 4 cm is placed 10 cm away from a concave lens of focal length 6 cm as shown below.Image is

virtual.inverted

virtual,upright

real,inverted

real,upright

17.

An object is located 15 m from a converging lens with focal length 10 m.If the object is 2 cm tall, find the image height if the image is located at 30 m.

4 m

-4m

-1m

18.

Which of the following are uses for convex lenses? (Choose all that are correct)

Camera lens

Telescope lens

Microscope lens

Magnify glass

19.

A ____ is a curved piece of glass or other transparent material that refracts light, (pg. 115-116)

mirror

lens

window

prism

20.

The type of image formed by a lens depends upon the ____ of the lens and the position of the object. (pg. 115-116)

size

shape

color

Reset

Refraction through Lenses

Total questions: 20

Worksheet time: 34mins

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