Question

A spherometer has 100 equal divisions marked
along the peripheri of its disc and five full
rotations of the disc advances on the main scale
by 0.175 cm. The least count of the system is
(A) 3.5 x 10^-4cm
(C) 3.5 x 10^-2cm
(B) 35 x 10^-3cm
(D) 35 x 10^-4 cm​

Answer 1

Answer:

(B) 35 x 10^-3cm

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