Question

1. Why should the focusing screw not disturbed after noting the reading X ? 11th physics ....​

Answer 1

Answer:

Sriharsha had a doublt as to why the head of a screw drives is made of plastic material and not metal. ... When there is nothing between the two ends (studs) of screw gauge, 45th division of circular scale is coincide with screw guage, and in this situation zero of main scale is not visible.

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Answer 2

Why the head of a screw drives is made of plastic material and not metal. ... When there is nothing between the two ends (studs) of screw gauge, 45th division of circular scale is coincide with screw guage, and in this situation zero of main scale is not visible.

HOPE IT HELPED U

THANK U FOR CHOOSING ME

HAVE A NICE DAY

• F.O.L.L.O.W ME PLS