Units and Measurements: Fundamental and Derived Quantities

In this quiz, you will find questions based on different quantities (fundamental and derived) and measurements of these quantities.

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The number of base units for measuring physical quantities according to the SI system are ____

1 10 7 8

What is the unit for measuring intensity of light?

Candela Lightyear Meter Mol

What is the full form of SI?

Standard International System International Scientific International Science International

What is the standard unit of measurement of Force?

Newton Joule Meter Newton-meter

89 Mega Joules can also be expressed as _____

8900 Joules 89000000 Joules 89000 Joules 890000 Joules

Which of the following sets of quantities has the same dimensional formula?

Frequency, angular frequency and angular momentum Surface tension, stress and spring constant Acceleration, momentum and retardation Work, energy and torque

If C and R denote capacitance and resistance respectively, what will be the dimensions of C x R?

[M^0L^0TA^0] [ML^0TA^-2] [ML^0TA^2] [MLTA^-2]

In a system of units if force (F), acceleration (A) and time (T) are taken as fundamentals units then the dimensional formula of energy is

FA^2T FAT^2 FA^2T FAT

Which of the following groups have different dimensions?

Potential difference, EMF, voltage Pressure, stress, Youngs modulus Heat, energy, work done Dipole moment, electric flux, electric field

ML^-1T^-2 is the dimensional formula of

magnetic induction self-inductance electric potential electric field

Electron volt is a unit of

Charge

Potential difference

Energy

Magnetic force

Light year is a unit of

Time

Distance

Sunlight intensity

Mass

Which of the following pairs has the same dimensions?

Specific heat and latent heat

Impulse and momentum

Surface tension and force

Moment of inertia and torque

If force (F), work (W) and velocity (v) are taken as fundamental quantities. What is the dimensional formula of time (T)?

[WFV]

[WFV^-1]

[W^-1 F^-1 V]

[WF^-1 V^-1]

The dimensions of kinetic energy is same as that of

Force

Pressure

Work

Momentum

Quiz/Test Summary
Title: Units and Measurements: Fundamental and Derived Quantities
Questions: 15
Contributed by:
james