A thin pencil of length 20 cm is kept along the principal axis of a concave mirror of curvature 30 cm. Nearest end of the pencil is 20 cm from the pole of the mirror. What will be the size of image of the pencil?

Question:

Example 9.3: A thin pencil of length 20 cm is kept along the principal axis of a concave mirror of curvature 30 cm. Nearest end of the pencil is 20 cm from the pole of the mirror. What will be the size of image of the pencil?

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Answer Steps :

Diagram :-

Given & Formula :-

Solution :-

Step1 :-

Step2 :-

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Diagram :-

Given & Formula :-

Solution :-

Step1 :-

Step2 :-

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