The angle 1° 54′ equal to
2.91 x 10-4 radian
3.32 x 10-2 radian
1.21 x 10-6 radian
none of these
The force F on a spherre of radius r moving in a medium with velocity v is given by F = 6π ηrv.The dimensions of η are
[ML-3]
[MLT-2]
[MT-1]
[ML-1T-1]
A LASER beam at moon returns after 2.56 s from moon.What is the radius of the orbit of moon (lunar orbit) around the earth?
3.84 x 108 m
3 x 108 m
3.84 x 104 m
3.84 x 1010 m
The most precise observation of the following is:
3426 gm
342.6gm
34.26gm
3.426 gm
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
One Parallactic second is equal to:
9.4605x 1015m
3.084x1016m
6.67x10-11 m
What is the distance in km of a quasar (farthest heavenly bodies) from which light takes 3 billion years to reach us?
2.8 x 1012 km
2.8 x 1022 km
3.8 x 1022km
3.72 x 1022 km
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%
How many amu would make up 1 kg
6. 024x 1026 amu
1.6x1017 amu
9.11x 1027 amu
8.852x10 12amu
The dimensional formula of potential
[ML2T-3]
[ML2T-3A]
[ML2T-2A]
[ML2T-3A-1]
