Physics · 2022
JEE Main · 29 July 2022, Shift 1 · Q49
A travelling microscope has 20 divisions per cm on the main scale while its vernier scale has total 50 divisions and 25 vernier scale divisions are…
A travelling microscope has $\displaystyle 20$ divisions per cm on the main scale while its vernier scale has total $\displaystyle 50$ divisions and $\displaystyle 25$ vernier scale divisions are equal to $\displaystyle 24$ main scale divisions, what is the least count of the travelling microscope ?
Official answer
(3)
0.$\displaystyle 002$ cm
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