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ICSE Class 8 Physics Question 10 of 23

Light Energy — Question 12

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Question 12

Draw suitable diagrams to illustrate how a beam of light incident parallel to the principal axis is reflected by:

(a) a concave mirror and

(b) a convex mirror.

Answer

(a) A beam of light incident parallel to the principal axis of a concave mirror, after reflection meets at a point called focus of the mirror.

Draw suitable diagram to illustrate how a beam of light incident parallel to the principal axis is reflected by a concave mirror. Light Energy, Concise Physics Solutions ICSE Class 8.

(b) A beam of light incident parallel to the principal axis of a convex mirror, after reflection appears to meet at a point called focus of the convex mirror.

Draw suitable diagram to illustrate how a beam of light incident parallel to the principal axis is reflected by a convex mirror. Light Energy, Concise Physics Solutions ICSE Class 8.