Units and Measurements
Which of the following is not a fundamental unit?
Light year is a unit of:
Dimensional formula for Planck's constant is:
The number of significant figures in 0.007 is:
Which of the following pairs has the same dimensions?
Parsec is a unit of:
The dimensional formula of gravitational constant G is:
How many significant figures are present in 6.023 x 10^23?
Which of the following quantities is dimensionless?
The error in measurement of radius of a sphere is 1%. The error in the calculated volume of the sphere is:
Which physical quantity has the same dimensions as impulse?
The fundamental SI unit of temperature is:
Dimensional formula of surface tension is:
Significant figures in the number 0.0500 are:
Which of the following is the smallest unit of length?
Dimensional formula of coefficient of viscosity is:
If error in measuring mass is 2% and in velocity is 3%, the maximum percentage error in kinetic energy is:
Dimensional formula of frequency is:
Dimensional formula for capacitance is:
The number of significant figures in 0.003050 is:
Parsec is the unit of:
Dimensional formula of Planck's constant (h) is same as that of:
The error in the measurement of radius of a sphere is 2%. The error in the measurement of its volume is:
Dimensions of kinetic energy are:
Which of the following is not expressed in the same unit as pressure?
The dimensions of coefficient of viscosity are:
Significant figures in 2.60 $\times$ $10^3$ are:
Which instrument is most accurate for measuring internal diameter of a tube?
If $x = a + bt + ct^2$, where $x$ is in meters and $t$ in seconds, the unit of $c$ is:
The dimensional formula for impulse is:
Which of the following physical quantities has the dimensions $[ML^2T^{-2}]$?
The least count of a screw gauge with 50 divisions on the circular scale and pitch 1 mm is:
If error in measurement of mass is 2% and in velocity is 3%, the maximum error in kinetic energy measurement is:
Which of the following sets cannot enter into dimensional analysis?