Who gave the Universal Law of Gravitation?
Kepler
Newton
Copernicus
Aryabhatta
Chandrasekhar Limit is the unit of
Distance
Time
Intensity
Mass
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
One Fermi is equal to
10-7m
10-8 m
10-15 m
10-10 m
Curie is the unit of
Half-life period
Decay constant
Radioactivity
Nuclear force
One parallactic second is equal to
9.4605 × 1015 m
3.084 × 1016 m
6.67 × 10-11 m
3 × 108 m
The dimension of Light year is
LT -1
L
LT -2
T -1
The angle 1°54' is equal to
2.91 × 10-4 radian
3.32 × 10-2 radian
1.21 × 10-6 radian
None of these
In SI system of unit, the unit of pressure is
bar
dynes per square cm
pascal
torr
The most accurate time measurement device is
Quartz clock
Electrical Oscillations
Caesium atomic clock
Seconds pendulum
