Random error can be eliminated by:
Taking observations carelessly.
Eliminating the cause.
Measuring the quantity with more than one
instrument.
Taking large number of observations and
then calculate their mean.
Number of observations and then their mean random error can be eliminated by taking large number of observations and then their mean value.
The number of significant zeroes present in the measured value 0.020040, is;
NextRound off the value 2.845 to three significant figures.
Energy of a particle is 5 J. If unit of length and time are doubled and unit of mass is halved then
MediumThe time period of oscillation of a body is given by , K represents the kinetic energy, m mass, g ac
MediumA gas bubble, from an explosion under water, oscillates with a period proportional to PadbEc. Where
EasyIf P and Q have different non-zero dimensions, which of the following operation is possible?
EasyA wave is represented by y = a sin(At − Bx + C) where A, B, C are constants and t is in seconds and
EasyIf the unit of length and force be increased four times, then the unit of energy is
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