Pressure gradient has the same dimensions as that of
Options
(a) velocity gradient (b) potential gradient (c) energy gradient (d) none of these
Correct Answer:
none of these
Explanation:
No explanation available. Be […]
The dimensions of Planck’s constant is same as that of
Options
(a) angular momentum (b) linear momentum (c) work (d) coefficient of viscosity
Correct Answer:
angular momentum
Explanation:
No explanation available. Be the […]
Which one of the following is not a unit of young’s modulus?
Options
(a) Nm⁻¹ (b) Nm⁻² (c) Dyne cm⁻² (d) Mega pascal
Correct Answer:
Nm⁻¹
Explanation:
No explanation available. Be the first […]
The quantity having the same units in all systems of unit is
Options
(a) mass (b) time (c) length (d) temperature
Correct Answer:
time
Explanation:
In FPS and MKS and SI system, […]
Which of the following quantities has units but not dimensions
Options
(a) displacements (b) angle (c) couple (d) speed
Correct Answer:
angle
Explanation:
Angle as well as solid angle do not have dimensional formula […]
In the equation y=a sin(?t+kx),the dimensional formula of ? is
Options
(a) [M⁰L⁰T⁻¹] (b) [M⁰LT⁻¹] (c) [ML⁰T⁰] (d) [M⁰L⁻¹T⁰]
Correct Answer:
[M⁰L⁰T⁻¹]
Explanation:
Angle is dimension less quantity. So the argument (?t-kx) is […]
If the error in the measurement of momentum of particle is (+100 % ), then the error in the measurement of kinetic energy is
Options
(a) 100 % (b) 200 % (c) 300 % […]
If h is planck’s constant and λ is wavelength, h/λ has dimensions of
Options
(a) momentum (b) energy (c) mass (d) velocity
Correct Answer:
momentum
Explanation:
Dimension of Planck’s constant = ML²T⁻¹
Dimension for wavelength […]
Which of the following pairs of physical quantities does not have same dimensional formulae?
Options
(a) work and torque (b) angular momentum and Planck’s constant (c) tension and surface tension (d) impulse and linear […]
Which of the following physical quantities has neither dimensions nor unit
Options
(a) Angle (b) luminous intensity (c) coefficient of friction (d) current
Correct Answer:
coefficient of friction
Explanation:
No explanation available. Be […]
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