Question

3. An object of size 4 cm is placed 27 cm from the concave mirror and radius of curvature is 30cm find the position of image and also find its magnification.

Answer 1

Answer:

Explanation:

bhagvan ko patha muje neend aa rahi hai

Answer 2

Answer:

position of image 5.4cm behind mirror,magnification is 1.35

Explanation:

U = -4 cm

F = 1/2 R = -15cm

1/f = 1/u + 1/v

1/-15= 1/-4 + 1/v

1/v = 1/-15+ 1/4

1/v = 4-15/60

1/v = 11/60

v = 60/11

v= 5.4cm

M = -v/u = -5.4/-4= 1.35