Kilogram meter per second2 is the unit of
work
force
pressure
momentum
The error in the measurement of radius of a sphere is 2% .What would be the error in the volume of the sphere?
4 %
8 %
3 %
6 %
Which of the following possess a unit but has no dimensions?
Angular Frequency
Angle
Stress
Strain
The dimensional formula for acceleration due to gravity is
LT2
LT-1
LT
LT-2
If σ = surface charge density,ε = electric permeability,the dimensions of σ/ε are same as
Electric force
Electric field intensity
Electric charge
Pressure
Which of the following is a more accurate measuring instrument?
Metre Scale
Vernier Calipers
Screw Gauge
Both Screw Gauge and Vernier Calipers
Chandrasekhar Limit is the unit of :
Distance
Time
Intensity
Mass
If force F, velocity V and time T are chosen as the base units then the dimension of mass in terms of these are
FVT-2
FV-1T
FV-1 T-1
FVT
One Parallactic second is equal to
9.4605 x 1015m
3.084 x 1016m
6.67 x 10-11 m
3 x 108 m
In SI system of unit,the unit of pressure is
Atmosphere
dynes per square cm
pascal
torr