U5.4 – Lenses

0

Lenses

1 / 12

Which lens causes light to diverge?

2 / 12

Which type(s) of images do concave lenses form?

3 / 12

Which type(s) of images do convex lenses form?

4 / 12

Which diagram represents a concave lens?

5 / 12

What is the name of distance between the lens and the principal focus?

6 / 12

An object is 30 mm from a convex lens with focal length 8 cm. Is the image virtual or real?

7 / 12

An small child's toy is 4 cm from a lens with focal length of 6 cm. How far away from the lens is the image formed?

8 / 12

An image of a perfectly circular object of radius 25.8 cm is projected onto a screen. The object is also perfectly circular and has an area of 16.3 cm. Calculate the magnification on the lens.

9 / 12

Select the correct statement.

10 / 12

A focal point for a concave lens is 150 mm away from the lens. An object is then placed 7.5 cm from the lens. Calculate the distance the image is from the lens.

11 / 12

A lens has a focal length of 4.8 cm. Calculate the lens' power.

12 / 12

An inverted image is seen 3 times its original size when the object is placed 140 mm front of a convex lens. Calculate the focal length of the lens.

Thank you for taking the quiz. Please fill in the fields below and you will receive your results in an email.

If you have been set this as homework, you should forward this email to your teacher as evidence you have completed the quiz.

If you don't receive your email please check your spam or junk folder.

Your score is

0%