Experimental Skills: JEE Main 2021 Physics question

JEE Main 2021 · 27 Jul, Morning shift · Q8336

JEE Main 202127 Jul, Morning shiftPhysicsMediumExperimental Skills34× since 2008

Assertion A : If in five complete rotations of the circular scale, the distance travelled on main scale of the screw gauge is 5 mm and there are 50 total divisions on circular scale, then least count is 0.001 cm. Reason R : Least Count =

{{Pitch} \over {Total\,divisions\,on\,circular\,scale}}

In the light of the above statements, choose the most appropriate answer from the options given below :

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JEE Main 2021 Experimental Skills Question with Solution (27 Jul Morning shift, Q8336) | JEE Arc