One parallactic second is equal to
9.4605 × 1015 m
3.084 × 1016 m
6.67 × 10-11 m
3 × 108 m
Curie is the unit of
Half-life period
Decay constant
Radioactivity
Nuclear force
90° is equal to how many radians?
1.57 radians
1.75 radians
3.14 radians
2.57 radians
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 is a dimensionless quantity?
Angular frequency
Stress
Strain
Surface Tension
The SI unit of force is
pascal
dyne
newton
joule
Which of the following will have the dimension of time?
LC
R|L
L|R
C|L
In SI system of unit, the unit of pressure is
bar
dynes per square cm
torr
Which of the following is a more accurate measuring instrument?
Metre Scale
Vernier Calipers
Screw Gauge
Both (2) and (3)