The angle subtended by a satellite by the two directions of observation is 2.552 x 10-2 rad.If the diameter of earth is 1.276 x 107m. What is the distance of the satellite from the earth?
6 x 108 m
5 x 108m
2.5 x 108m
4 x 108m
Kilogram meter per second2 is the unit of
Work
Force
Pressure
Momentum
How many wavelength of Kr86 are there in one meter?
1650763.73
1560763.73
1065763.73
1560736.73
In SI system of unit,the unit of pressure is
atmosphere
dynes per square cm
pascal
torr
Which of the following has the same dimension as that of pressure?
Energy density
Angular momentum per unit mass
Power
Energy
Which law of thermodynamics leads to the concept of temperature?
Zeroth law
First law
Second law
Both '1' and '2'
Dimension of relative density is :
[M3L2]
[M-2L-3]
Dimensionless
[M2L-5]
The dimensional formula for acceleration due to gravity is
LT2
LT-1
LT
LT-2
The most precise observation of the following is:
3426 gm
342.6 gm
34.26 gm
3.426 gm
Which of the following ratios is dimensionless?
Work/Power
Work/ Energy
Momentum / Power
Momentum/Energy