Which of the following have same dimension?
Work and power
Impulse and momentum
Planks constant and gravitational constant
Pressure and work
The number of electrons that would weigh 9.11 kg is
1019
1027
1031
1030
Kilogram meter per second2 is the unit of
Work
Force
Pressure
Momentum
Candela is the unit of:
temperature
electric potential
luminous intensity
energy
The year in which total solar eclipse takes place is called
sidereal year
tropical year
seasonal year
none of these
The dimensional formula of angular momentum is
MLT-2
ML-1T-
M1L2T-1
MLT-1
The percentage errors in the measurement of mass and speed are 2% and 3% respectively.The error in kinetic energy obtained by measuring mass and speed ,will be
12%
10%
8%
2%
The dimension of light year is:
LT-1
L
LT-2
T-1
The dimensional formula for frequency is
T
T-2
T2
One meter = ______AU
6.67x10-12AU
1.58x 10-5ly
4.86x10-6AU
1.057 x 10-10ly
