Which of the following will have the dimension of time?
LC
R|L
L|R
C|L
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
Light year is used as a measure of
small time
work
large distance
mass
Which of the following is a more accurate measuring instrument?
Metre Scale
Vernier Calipers
Screw Gauge
Both (2) and (3)
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
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
One parallactic second is equal to
9.4605 × 1015 m
3.084 × 1016 m
6.67 × 10-11 m
3 × 108 m
Who formulated the laws of planetary motion?
Issac Newton
Johannes Kepler
Henry Cavendish
Albert Einstein
Which of the following is a dimensionless quantity?
Angular frequency
Stress
Strain
Surface Tension