Spherometer - Viva Voice Questions with Answer
For: Science Class 11 ( Practical Exam )
Q.1: Why the instrument is given the name “spherometer”?
Ans. Because it is used to determine the radius of curvature of a spherical surface.
Q.2: What is the pitch of a spherometer?
Ans. The distance covered by the circular disc in one complete rotation along the main scale. Mostly pitch of spherometer = 1 mm = 0.1 cm.
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