Significant figures depend on ________ number of significant figures in given data.
Dimensions cannot be used to
Find the option with 3 significant figures.
0.0268 have three significant figures where as 2.608 cm, 26.08 mm and 2.068 cm have four significant figures.
Which of the following physical quantities has different dimensions?
If radian correction is not considered in specific heat measurement. The measured value of specific heat will be
Which of the following physical quantity is dimensionless
The number of significant figures in the distance of one light year , 9.4605 × 1015 m is
The numbers of significant figures in 1.84 x10-27 kg are:
The multiplication of 10.610 with 0.210 upto correct number of significant figure is
Numbers of significant figures in the volume of a cube of side 6.103 m are:
Magnitude of force F experienced by a certain object moving with speed v is given by F = Kv3, where K is a constant. The dimensions of K are
The order of magnitude of a number expressed in scientific notation is
The numbers of significant figures in 9.1 x10-31 kg are:
As the power of 10 is irrelevant to the determination of significant figures hence, the numbers of significant figures are 2 (9 and 1).
Which of the quantity is dimensionless?
Three students measured length of a needle with meter rod and recorded as :
Which one is correct record?
After decimal point, number is less than 5 which is to be neglected,then retained number
Mary bought a tank whose dimensions are 5.6cm, 8.2cm and 12.8 cm. The volume of water (in cm³) that can be stored in tank (correct up to four significant figures) is
Three physical quantity having dimensions [ML-1T-2] are.
Pressure = Force/Area = ML1T-2/ L2 = [M L-1 T-2]
Stress = Force/Area = ML1T-2/ L2 = [ML-1T-2]
Coefficient of elasticity = Stress/strain = [ML-1T-2]
Find the option with 5 significant figures
A dimensionless quantity
A dimensionless quantity has no dimensions but it may or may not have units. Two very common examples of dimensionless quantities are refractive index which does not have any units and angle which has units (degrees, radians).