Question

12.

An object 4.0 cmcm high is placed 17 cmcm in front of a convex mirror whose focal length is -10 cm . What is the image distance?

4.1 cmcm

-16 cmcm

-6.3 cmcm

-17 cmcm

24 cmcm

14. An object that is located at the center of curvature of a spherical concave mirror produces which type of image?

A real, inverted image

A real, upright image

A virtual, inverted image

A virtual, upright image

There is no image for such an object.

Answer 1

12) Let the image distance is v.

The object distance u=17 cm.

The focal length f=10 cm.

From the mirror formula

  

  

  

  

The image distance is -6.296296296 cm or -6.3 cm approximately.

14)

An object that is located at the center of curvature of a spherical concave mirror produces A real, inverted image.