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
Who formulated the laws of planetary motion?
Issac Newton
Johannes Kepler
Henry Cavendish
Albert Einstein
Which of the following is a dimensional constant?
Refractive Index
Poisson's ratio
Relative density
Gravitational Constant
Which of the following is a dimensionless quantity?
Angular frequency
Stress
Strain
Surface Tension
Light year is used as a measure of
small time
work
large distance
mass
The SI unit of force is
pascal
dyne
newton
joule
Which of the following is a more accurate measuring instrument?
Metre Scale
Vernier Calipers
Screw Gauge
Both (2) and (3)
Which of the following will have the dimension of time?
LC
R|L
L|R
C|L
The most accurate time measurement device is
Quartz clock
Electrical Oscillations
Caesium atomic clock
Seconds pendulum
In SI system of unit, the unit of pressure is
bar
dynes per square cm
torr