ICSE Class 10 Physical World and Units and Measurements — Mock Test

Free online mock test for Physical World and Units and Measurements (ICSE Class 10 Physics) — 63 competency-based questions with instant marking. Try the samples below, then take the full test free.

Sample questions

1. 1.The number 2.746 rounded to three significant figures is:
   • A.2.74
   • B.2.75
   • C.2.7
   • D.2.76
2. 2.The kilogram is now defined by taking the fixed numerical value of which constant?
   • A.Speed of light c
   • B.Planck constant h
   • C.Elementary charge e
   • D.Avogadro constant
3. 3.The dimensional formula of pressure is:
   • A.[M L^-1 T^-2]
   • B.[M L T^-2]
   • C.[M L^2 T^-2]
   • D.[M L^-3 T^0]
4. 4.The SI base unit of luminous intensity is the:
   • A.candela
   • B.lumen
   • C.kelvin
   • D.ampere
5. 5.Which statement about dimensional consistency is correct?
   • A.A dimensionally correct equation is always exactly correct
   • B.A dimensionally wrong equation may still be correct
   • C.A dimensionally correct equation need not be exact, but a dimensionally wrong equation must be wrong
   • D.Dimensional consistency guarantees the equation is exact