The dimension of Light year is
LT -1
L
LT -2
T -1
90° is equal to how many radians?
1.57 radians
1.75 radians
3.14 radians
2.57 radians
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 a dimensional constant?
Refractive Index
Poisson's ratio
Relative density
Gravitational Constant
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
Light year is used as a measure of
small time
work
large distance
mass
Which of the following will have the dimension of time?
LC
R|L
L|R
C|L
The SI unit of force is
pascal
dyne
newton
joule
Curie is the unit of
Half-life period
Decay constant
Radioactivity
Nuclear force
The most accurate time measurement device is
Quartz clock
Electrical Oscillations
Caesium atomic clock
Seconds pendulum