KEAM Previous Years Questions

Question: 1

2016

When the voltage and current in a conductor are measured as $(100\pm4) V$ and $(5\pm0.2)A$ , then the percentage of error in the calculation of resistance is

Question: 2

2016

The set of physical quantities among the following which are dimensionally different is

Question: 3

2015

The physical quantity that does not have the dimensional formula $[ML^{-1}T^{-2}]$ is

Question: 4

2015

A force F is applied onto a square plate of side L. If the percentage error in determining L is 2% and that in F is 4%, the permissible percentage error in determining the pressure is

Question: 5

2014

In a simple pendulum experiment, the maximum percentage error in the measurement of length is 2% and that in the observation of the time period is 3%. Then the maximum percentage error in determination of the acceleration due to gravity g is

Question: 6

2014

The pitch and the number of circular scale divisions in a screw gauge with least count 0.02 mm are respectively

Question: 7

2013

The quantity which has the same dimensions as that of gravitational potential is

Question: 8

2013

The percentage error in measuring M, L and T are 1%, 1.5% and 3% respectively. Then the percentage error in measuring the physical quantity with dimensions $ML^{-1}T^{-1}$ is

Question: 9

2012

The displacement of a particle moving along x-axis with respect to time t is $x = at + b t ^ 2 - c t ^ 3$. The dimensions of c are

Question: 10

2012

If the time period of oscillation of a pendulum is measured as 2.5 second using a stop watch with the least count $\frac{1}{2}$ second, then the permissible error in the measurement is