Question

Two oscillating simple pendulums of same lengths have amplitude ratio
1:2. What is the ratio of their time periods.
A vernier scale has 10 divisions and they are equal to 9 divisions of main
scale in length. If the main scale is calibrated in mm, what is its least
count.
3. The circular head of a screw gauge is divided into 50 divisions and the
screw moves 1 mm ahead in two revolutions of the circular head. Find
its pitch and least count.
4. In an instrument, there are 25 divisions on vernier scale which have length
of 24 divisions on main scale. One cm on main scale is divided in 20 equal
parts. Find the least count.


test tmrw
mark you as branalist please solve
god will give you 10 marks extra in exams ​

Answer 1

Answer:

1)1:1

2)0.1mm

3 0.01mm