The focal length of a small concave mirror is 3cm . In order to use this concave mirror as a dentist’s mirror , the distance of tooth from this mirror should be
a) 5.5 cm b) 1.5cm c) 4.5 cm d) 3.5cm
CLASS-X
PHYSICS
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The focal length of a small concave mirror is 3cm . In order to use this concave mirror as a dentist’s mirror , the distance of tooth from this mirror should be
a) 5.5 cm b) 1.5cm c) 4.5 cm d) 3.5cm
CLASS-X
PHYSICS
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Explanation:
A)5.5 Cm is correct answer okay