Units, Dimensions & Errors · JEE Main previous year questions

2010 2 questions

1. Q312010 · 25 Apr 2010 · Shift 1

   The respective number of significant figures for the numbers 23.023, 0.0003 and $2.1\times 10^{-3}$ are

   1. A.5, 1, 2
   2. B.5, 1, 5
   3. C.5, 5, 2
   4. D.4, 4, 2
   Show answer

   Answer: A

2. Q562010 · 25 Apr 2010 · Shift 1
   
   1. A.$0.4\mathrm{N}\mathrm{s}$
   2. B.$0.8\mathrm{N}\mathrm{s}$
   3. C.$1.6\mathrm{N}\mathrm{s}$
   4. D.$0.2\mathrm{N}\mathrm{s}$
   Show answer

   Answer: B