Physical World and Measurement

Pressure gradient has the same dimensions as that of

Pressure gradient has the same dimensions as that of Options (a) velocity gradient (b) potential gradient (c) energy gradient (d)…

The dimensions of Planck’s constant is same as that of

The dimensions of Planck's constant is same as that of Options (a) angular momentum (b) linear momentum (c) work (d)…

Which one of the following is not a unit of young’s modulus?

Which one of the following is not a unit of young's modulus? Options (a) Nm⁻¹ (b) Nm⁻² (c) Dyne cm⁻²…

The quantity having the same units in all systems of unit is

The quantity having the same units in all systems of unit is Options (a) mass (b) time (c) length (d)…

Which of the following quantities has units but not dimensions

Which of the following quantities has units but not dimensions Options (a) displacements (b) angle (c) couple (d) speed Correct…

In the equation y=asin(?t+kx),the dimensionals formula of ? is

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:…

If the error in the measurement of momentum of particle is (+100%)

If the error in the measurement of momentum of particle is (+100 % ), then the error in the measurement…

If h is planck’s constant and λ is wavelength, h/λ has dimensions of

If h is planck's constant and λ is wavelength, h/λ has dimensions of Options (a) momentum (b) energy (c) mass…

Which of the following pairs of quantities does not have same dimensional

Which of the following pairs of physical quantities does not have same dimensional formulae? Options (a) work and torque (b)…

Which of the following physical quantities has neither dimensions nor unit

Which of the following physical quantities has neither dimensions nor unit Options (a) Angle (b) luminous intensity (c) coefficient of…