Question

Find the focal length of a convex mirror whose radius of curvature is
32 cm.
A concave mirror produces three times marinifind​

Answer 1

Answer:

uestion 1 :

Find the focal length of a convex mirror whose radius of curvature is 32 cm.

Answer 1 :

Radius of curvature = 32 cm

Focal length = R/2 = 32/2 = 16 cm

So, focal length of the Convex mirror = + 16 cm.

Question 2 :

A concave mirror produces three times magnified (enlarged) real image of an object placed at 10 cm in front of it. Where is the Image located ?

Answer 2 :

Object Distance = - 10 cm

Magnification = - 3

Nature of the Image = Real and Inverted

Magnification = -v/u

Hence, -3 = -v/-10

➸ -v = -3*-10

➸ -v = 30

➸ v = -30 cm

So, Image Distance = - 30 cm i.e. Image is located 30 cm in front of the mirror.

Explanation:

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Answer 2

Find the focal length of a convex mirror whose radius of curvature is 32 cm. So, focal length of the Convex mirror = + 16 cm. Question 2 : A concave mirror produces three times magnified (enlarged) real image of an object placed at 10 cm in front of it.