Who gave the Universal Law of Gravitation?
Kepler
Newton
Copernicus
Aryabhatta
One Fermi is equal to
10-7m
10-8 m
10-15 m
10-10 m
The dimension of Light year is
LT -1
L
LT -2
T -1
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
In SI system of unit, the unit of pressure is
bar
dynes per square cm
pascal
torr
1 pc =
3.08 × 1016 m
3 × 1016 m
3.08 × 10-16 m
3 × 10-16 m
Dimensional formula of Torque is
M1L2T2
ML-1T1
M2LT1
M2L2T2
The most accurate time measurement device is
Quartz clock
Electrical Oscillations
Caesium atomic clock
Seconds pendulum
Who formulated the laws of planetary motion?
Issac Newton
Johannes Kepler
Henry Cavendish
Albert Einstein
The SI unit of force is
dyne
newton
joule