Chapter 9

NCERT
Class 10
Science
Solutions
4. The focal length of a spherical mirror is : 15 cm. The mirror is probably : (a) concave (b) convex (c) plane mirror (d) none of these

Question:

The focal length of a spherical mirror is : 15 cm. The mirror is probably :

(a) concave                              (b) convex

(c) plane mirror                        (d) none of these

Answer:

(a) concave

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