If dimensions of critical velocity of a liquid flowing through a tube are expressed
If dimensions of critical velocity of a liquid flowing through a tube are expressed ad npr, where n,p and r…
6 years ago
Physical World and Measurement
If energy(E), velocity(V) and time(T) are chosen as fundamental quantities,
If energy(E), velocity(V) and time(T) are chosen as fundamental quantities, the dimensional formula of surface tension will be Options (a)…
6 years ago
If force(F), Velocity(V) and time(T) are taken as fundamental units, then the dimensions
If force(F), Velocity(V) and time(T) are taken as fundamental units, then the dimensions of mass are Options (a) FVT⁻¹ (b)…
6 years ago
Dimensions of resistance in an electrical circuit, in terms of dimension of mass M,
Dimensions of resistance in an electrical circuit, in terms of dimension of mass M, of length L, of time T…
6 years ago
Dimensional formula of magnetic field in terms of mass M, length L
Dimensional formula of magnetic field in terms of mass M, length L, time T and Charge Q is Options (a)…
6 years ago
The difference in the lengths of a mean solar day and a sidereal day is about
The difference in the lengths of a mean solar day and a sidereal day is about Options (a) 1 min…
6 years ago
Which of the following pairs is wrong
Which of the following pairs is wrong Options (a) Pressure-Barometer (b) Relative density-Pyrometer (c) Temperature-Thermometer (d) Earth-Seismograph Correct Answer: Relative…
6 years ago
The dimensional formula for Young’s modulus is
The dimensional formula for Young's modulus is Options (a) [ML⁻¹T⁻²] (b) [M⁰LT⁻²] (c) [MLT⁻²] (d) [ML²T⁻²] Correct Answer: [ML⁻¹T⁻²] Explanation:…
6 years ago
The heat dissipated in a resistance can be obtained by measuring of resistance,
The heat dissipated in a resistance can be obtained by measuring of resistance, the current and time. The maximum error…
6 years ago
The physical quantities not having same dimensions are
The physical quantities not having same dimensions are Options (a) Speed and (μ₀ε₀)⁻¹/₂ (b) Torque and work (c) Momentum and…
6 years ago