2. Sample Papers
  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main Sample Paper-27

  • question_answer
    A vernier callipers has 1 mm marks on the main scale. It has 20 equal divisions on the vernier scale which match with 16 main scale divisions. For this vernier callipers, the least count is :

    A)  \[0.02\] mm                 

    B)  \[0.05\] mm

    C)  \[0.1\] mm                   

    D)  \[0.2\] mm

    Correct Answer: D

    Solution :

    Least count vernier callipers                          LC = 1MSD - 1 VSD As, 20 divisions of vernier scale =16 divisions of main scale \[\therefore \,\,VSD\,=\frac{16}{20}\,mm\,=0.8\,mm\] LC=1MSD-1 VSD= lmm-0.8mm=0.2mm


You need to login to perform this action.
You will be redirected in 3 sec spinner