The respective number of significant figures for the numbers 23.023, 0.0003 and 2.1 x 10-3 are:
a.5,1,2 b.5,1,5 c.55,2 d.4,4,2
Which among the following is the supplementary unit:
a. Mass b. Time c. Solid angle d. Luminosity
The
unit of solid angle is
a. Second b. Steradian c. Kilogram d. Candela
The quantity having the same unit in all system of unit is:
a. mass b. time c. Length d. temperature
Random errors can be eliminated by:
a.
taking number of observations and their mean.
b.
measuring the quantity with more than one instrument
c.
eliminating the cause
d. careful observations
Systemic error can be:
a. either positive or negative c. positive only b. negative only d. zero error
[MLT-2]
is dimensional formula of:
a. strain c. displacement b. force d. pressure
Which
of the following pair has the same dimension?
a.
moment of inertia and torque c. impulse and momentum
b.
surface tension and force d. specific heat and latent heat
Dependent
variable is:
a. cause c. cause and effect b. effect d. reason
Dimensions
of kinetic energy is the same as that of:
a.
Acceleration b. Velocity c. Work d. Force
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