Question Bank
1)Check whether the foll. eqns are dimensionally correct.
a) 1/2 mv² = ut + 1/2 at, where s is displacement,u initial velocity, A acceleration, t time
b) S = ut + 1/2 at , where s displacement, u: initial velocity. a: acceleration,t: time.

2) In successive measurements, the readings of oscillation of simple pendulum were found to be 3.65s + 3.60s + 3.57s + 3.63s in an experiment. Calculate i) Mean value of period of oscillation
ii) Absolute error in each measurement
iii) relative error
iv) percentage error

3)Density of a substance is p=m/v, where M = (20±0.2) Kg & V= (10±0.1)m³. Calculate the % error of p.

4) Write the dimensions of
(a) velocity
(b) acceleration.

5) I.A U=_____m

questions are based on class 11 physics chapter units and measurement ​

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