Which of the following is dimensionless quantity.
Gravitational constant
Molar gas constant
Relative Density
Relative velocity
1Hz=
2Π rad s-1
Π rad s-1
rad s-1
s-1
Given force of (F) is given by F = Pt-1 + Qt where 't' is time. The unit of P is same as that of
accleration
momentum
velocity
displacement
If force = nx velocity, What is the dimensional formula of n
M0L0T0
MLT0
MLT -1
ML0T -1
Which of the following is not the name of physical quantity.
Kilogram
Impulse
Energy
Density
Zero error belongs to the category
Constant errors
Personal Errors
Instrumental Errors
Accidental Errors
"The most incomprehensible thing about the world is that it is comprehensible". who made the above statement?
Aristotle
Einstein
Newton
Galileo
Einstein was awarded noble prize for
Theory of relativity
Photoelectric effect
General theory of relativity
None of the above
What is the number of significant numbers in 200.0
1
2
3
4
What is the no of significant numbers in (3.20 + 4.80) x 105
5