Fill in the blanks:
$(a)$. The inner surface of a steel spoon acts as a ________ mirror.
$(b)$. The outer surface of a flat steel plate acts as a ________ mirror.
$(c)$. The outer shining surface of a round bottom steel bowl acts as a ________ mirror.
$(d)$. The inner surface of the reflector of a torch acts as a ________ mirror.

AcademicPhysicsNCERTClass 7

$(a)$. The inner surface of a steel spoon acts as a $\boxed{concave}$ mirror.

$(b)$. The outer surface of a flat steel plate acts as a $\boxed{plane}$ mirror.

$(c)$. The outer shining surface of a round bottom steel bowl acts as a $\boxed{convex}$ mirror.

$(d)$. The inner surface of the reflector of a torch acts as a $\boxed{concave}$ mirror.

raja
Updated on 10-Oct-2022 13:30:11

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