Experimental Skills: JEE Main 2009 Physics question

JEE Main 2009 · Annual, Paper 1 · Q8351

JEE Main 2009Annual, Paper 1PhysicsMediumExperimental Skills34× since 2008

In an experiment the angles are required to be measured using an instrument, 29 divisions of the main scale exactly coincide with the 30 divisions of the vernier scale. If the smallest division of the main scale is half-a degree(=

0.5^\circ

), then the least count of the instrument is:

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JEE Main 2009 Experimental Skills Question with Solution (Annual Paper 1, Q8351) | JEE Arc