One light year is equal to
9.467x1015 m
9.467x1014m
9.467 x 10 16m
9.467x1010m
One arc second is equal to
4.85x10-6 rad
2.91x10-4 rad
48.5x10-6 rad
29.1x10-4 rad
In a vernier callipers N divisions of vernier scale coincide with N - 1 divisions of main scale (in which length of one division is 1 mm).The least count of the instrument should be
N
N - 1
1/10N
1/(N - 1)
How many wavelength of Kr86 are there in one meter
1650763.73
1560763.73
1065763.73
1560736.73
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
The time period of a simple, pendulum is given by Tαla gh . The value of a and b are
1, ½
½, -1
½, -½
½,½
"Pascal - second" has the dimensions of:
force
energy
pressure
Coeffecient of viscosity
One meter = ______AU
6.67x10-12AU
1.58x 10-5ly
4.86x10-6AU
1.057 x 10-10ly
The dimensional formula for permeability of free space,μ0 is
[MLT-2A-2]
[ML-1T2A-2]
[ML-1T-2A2]
[MLT-2A-1]
The unit of energy in SI system is:
electron volt
calorie
joule
erg