Physics · 2020
JEE Main · 3 September 2020, Shift 1 · Q1
Using screw gauge of pitch 0.1 cm and 50 divisions on its circular scale, the thickness of an object is measured. It should correctly be recorded as:
Using screw gauge of pitch $\displaystyle 0.1$ cm and $\displaystyle 50$ divisions on its circular scale, the thickness of an object is measured. It should correctly be recorded as :
Official answer
(2)
2.$\displaystyle 124$ cm
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JEE Main 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.