One Fermi is equal to
10-7m
10-8 m
10-15 m
10-10 m
Who gave the Universal Law of Gravitation?
Kepler
Newton
Copernicus
Aryabhatta
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
Which of the following is a dimensionless quantity?
Angular frequency
Stress
Strain
Surface Tension
90° is equal to how many radians?
1.57 radians
1.75 radians
3.14 radians
2.57 radians
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
Which of the following is a more accurate measuring instrument?
Metre Scale
Vernier Calipers
Screw Gauge
Both (2) and (3)
The SI unit of force is
pascal
dyne
newton
joule
In SI system of unit, the unit of pressure is
bar
dynes per square cm
torr
