One light year is equal to
9.467 x 1015 m
9.467 x 1014 m
9.467 x 10 16 m
9.467 x 1010 m
One Parallactic second is equal to
9.4605 x 1015m
3.084 x 1016m
6.67 x 10-11 m
3 x 108 m
900 is equal to how many radians?
1.57 radians
1.75 radians
3.14 radians
2.57 radians
In parallax method distance between the two points of observation is called the
parallel
basis
arc
altitude
Candela is the unit of
temperature
electric potential
luminous intensity
energy
The time dependence of physical quantity p is given by p = p0 exp (-αt2), where α is a constant and t is the time.The constant α
is dimensionless
has dimensions[T-2]
has dimensions[T2]
has dimensions of p
The dimensional formula of velocity of gradient is
M0L0T-1
M0LT-1
M-1L-1T-1
MLT-2
The number of significant figures in 0.00097 are
5
4
6
2
Which of them is not correct?
W.K. Roentagen : X -rays
Albert Einstein : Theory of relativity
M.N. Saha : Thermal isolation
Eriven Fermi : Measurement of e– charge
The dimensional formula for acceleration due to gravity is
LT2
LT-1
LT
LT-2
