116 Articles Tagged as: **Numerical problem**

116

3 years ago Grade -11 (NEB) > Science **Physics**
**Dimension of Physical Quantities, Physical Quantities**

Taking force, length, and time as fundamental quantities, find the dimensional formula for the density.

3 years ago Grade -11 (NEB) > Science **Physics**
**Dimension of Physical Quantities, Physical Quantities**

Derive the dimensions of the specific heat capacity of a substance.

3 years ago Grade -11 (NEB) > Science **Physics**
**Dimensional Analysis and Applications, Physical Quantities**

The density of gold is 19.3 gm/cc. Express its value in the SI unit.

3 years ago Grade -11 (NEB) > Science **Physics**
**Dimension of Physical Quantities, Physical Quantities**

Write the dimensional formula of gravitational constant and latent heat.

3 years ago Grade -11 (NEB) > Science **Physics**
**Dimension of Physical Quantities, Physical Quantities**

Determine the dimensional formula of Gravitational constant (G)

Check the correctness of the relation, \(h=\frac{2T\cos\left(\theta\right)}{r\rho g}\), where symbols have usual meaning.

Check the correctness of the formula, PV = RT using the dimensional method.

Check dimensionally the correctness of Stoke's formula, F = 6π**ηrv**

A student writes an expression of the momentum (p) of a body of mass (m) with total Energy (E) and considers the duration of the time (t) as \(p=\sqrt{2m\frac Et}\). Check its correctness by using dimensional analysis.

The energy of a photon is given by E = hf. Find the dimension and unit of the plank's constant, where f is the frequency of radiation.

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