Practice Sheets on Light Reflection & Refraction

Light reflection and refraction Worksheet-4

1. The image formed by a concave mirror is virtual, erect and magnified the position of the object is

A. At F                                             B. At C

C. At infinity                                  D. Between P and F

2. The image formed by a spherical mirror is virtual the mirror is

A. Convex                                      B. Concave

Light reflection and refraction Worksheet-5

1. When a ray of light travels from water to glass, it bends

A. Towards normal

B. Away from normal

C. Neither towards nor away from normal

D. Cannot say

2. No refraction occurs when ray goes from

A. Rarer to denser medium

B. Denser to rarer medium

C. One medium to other medium of same optical density

Light reflection and refraction Worksheet-6

1. Focal length of a convex mirror is 50 cm. What is its radius of curvature ?

2. Radius of a concave mirror is 25 cm. What is the magnification produced ?

3. A concave mirror produces 10 cm long image of an object 2 cm. What is the magnification produced ?

4. An object 1 cm high is held near a concave mirror of  magnification 10. How tall will be the image ?

5. Find the size, nature and position of image. Formed by a concave mirror, when an object of size 1 cm is placed at a distance of 15 cm. Given focal length of mirror is 10 cm.