Solved papers for JEE Main & Advanced JEE Main Solved Paper-2016

done JEE Main Solved Paper-2016 Total Questions - 2

• question_answer1) A screw gauge with a pitch of 0.5 mm and a circular scale with 50 divisions is used to measure the thickness of a thin sheet of Aluminium. Before starting the measurement , it is found that when the two jaws of the screw gauge are brought in contact, the 45th division coincides with the main scale line and that the zero of the main scale is barely visible. What is the thickness of the sheet if the main scale reading is 0.5 mm and the 25th division coincides with the main scale line ? [JEE Main Solved Paper-2016 ]
  A)
  0.50 mm                              
  done clear
  B)
  0.75 mm
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  C)
  0.80 mm                              
  done clear
  D)
   0.70 mm
  done clear
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• question_answer2) A student measures the time period of 100 oscillations of a simple pendulum four times. The data set is 90 s, 91 s, 95 s and 92 s. If the minimum division in the measuring clock is 1 s, then the reported mean time should be :-
  A)
  \[92\pm 3\text{ }s\]                      
  done clear
  B)
  \[92\pm 2s\]
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  C)
  \[92\pm 5.0s\]                 
  done clear
  D)
  \[92\pm 1.8\text{ }s\]
  done clear
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