90° is equal to how many radians?
1.57 radians
1.75 radians
3.14 radians
2.57 radians
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 dimension of Light year is
LT -1
L
LT -2
T -1
Dimensional formula of Torque is
M1L2T2
ML-1T1
M2LT1
M2L2T2
Which of the following is a dimensional constant?
Refractive Index
Poisson's ratio
Relative density
Gravitational Constant
Who gave the Universal Law of Gravitation?
Kepler
Newton
Copernicus
Aryabhatta
Curie is the unit of
Half-life period
Decay constant
Radioactivity
Nuclear force
Who formulated the laws of planetary motion?
Issac Newton
Johannes Kepler
Henry Cavendish
Albert Einstein
One Fermi is equal to
10-7m
10-8 m
10-15 m
10-10 m
The most accurate time measurement device is
Quartz clock
Electrical Oscillations
Caesium atomic clock
Seconds pendulum
