Question

Give me the answer of page 171 lesson 10 ,question number 2, light reflection and refraction class 10​

Answer 1

Answer:

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Answer 2

Question 1

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

Solution:

R = +32 cm and f=R2=+322=+16cm

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 ?

Solution:

Because the image is real, so magnification m must be negative.

Thus the image is located at a distance of 30 cm from the mirror on the object side of the mirror.

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