1 pc =
3.08 × 1016 m
3 × 1016 m
3.08 × 10-16 m
3 × 10-16 m
In SI system of unit, the unit of pressure is
bar
dynes per square cm
pascal
torr
Which of the following is NOT correct?
W.K. Roentgen : X-rays
Albert Einstein : Theory of Relativity
M.N Saha : Thermal Isolation
Enrico Fermi : Measurement of electron charge
The SI unit of force is
dyne
newton
joule
One parallactic second is equal to
9.4605 × 1015 m
3.084 × 1016 m
6.67 × 10-11 m
3 × 108 m
Who gave the Universal Law of Gravitation?
Kepler
Newton
Copernicus
Aryabhatta
Dimensional formula of Torque is
M1L2T2
ML-1T1
M2LT1
M2L2T2
Which of the following will have the dimension of time?
LC
R|L
L|R
C|L
Curie is the unit of
Half-life period
Decay constant
Radioactivity
Nuclear force
The most accurate time measurement device is
Quartz clock
Electrical Oscillations
Caesium atomic clock
Seconds pendulum
