A student measured the length of a pendulum 1.351 m and time for 30 vibrations is 2 minutes 10 sec using his wrist watch. Find the percent error in g committed.
One watt-hour is equivalent to -
Which of the following is not equal to watt -
Which of the following is not the unit of length :
The S.I. unit of gravitaional potenital is
Length cannot be measured by
In C.G.S. system the magnitude of the force is 100 dynes. In another system where the fundamental physical quantities are kilogram, meter and minute, the magnitude of the force is-
The units of angular momentum are-
The ratio of S.I. units to the C.G.S units of ‘G’ is –
Time taken by light to travel from sun to the earth is approximately –
If the units M and L are increased three times, then the units of energy will be increased by –
The SI unit of length is the meter. Suppose we adopt a new unit of length which equals to x meters. The area 1m²expressed in terms of the new unit has a magnitude
The ratio of S.I. to C.G.S units for Stefan’s constant is -
If the units of M & L are doubled then the unit of kinetic energy will become –
The unit of permittivity of free space ε is :-
Which of the following set have different dimensions ?
Which of the following pair does not have similar dimensions
Pressure gradient has the same dimesion as that of
“ Pascal -Second ‘’has dimension of
Identify the pair whose dimensions are equal
Two quantities A and B have different dimensions. Which mathematical operation given below is physically meaningful-
The dimension of the ratio of angular momentum and linear momentum is –
Out of the following which pair of quantities do not have same dimensions-
Which of the following is dimensionless -
