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Topics from Physics

Physical Quantities 27 Electricity & Magnetism 48 Motion 8 Measurement 4 Electricity 166 Physical Optics 80 Waves 117 Force 45 Heat 137 Laws of Motion 1 Light 100 Pressure 139 Thermodynamics 1
Pathshala Nepal
4 months ago Grade -11 (NEB) > Science Physics Dimension of Physical Quantities, Physical Quantities

What is the dimensional formula for density?

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

1 Answer
  • dimensional formula
  • dimensional method
  • numerical problem
Pathshala Nepal
4 months ago Grade -11 (NEB) > Science Physics Dimension of Physical Quantities, Physical Quantities

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

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

1 Answer
  • dimensional formula
  • numerical problem
Pathshala Nepal
4 months 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.

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

1 Answer
  • application of dimension
  • dimensional method
  • numerical problem
Pathshala Nepal
4 months ago Grade -11 (NEB) > Science Physics Dimension of Physical Quantities, Physical Quantities

Write the dimensional formula of latent heat.

Write the dimensional formula of gravitational constant and latent heat.

1 Answer
  • dimensional analysis
  • dimensional formula
  • numerical problem
Pathshala Nepal
4 months ago Grade -11 (NEB) > Science Physics Dimension of Physical Quantities, Physical Quantities

Determine the dimensional formula of Gravitational constant (G)

Determine the dimensional formula of Gravitational constant (G)

1 Answer
  • dimensional formula
  • numerical problem
Pathshala Nepal
4 months ago Grade -11 (NEB) > Science Physics Dimensional Analysis and Applications, Physical Quantities

Check the correctness of the relation, h = 2Tcos(θ) / r ρ g, using dimension

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

1 Answer
  • application of dimension
  • dimensional analysis
  • dimensional method
  • numerical problem
Pathshala Nepal
4 months ago Grade -11 (NEB) > Science Physics Dimensional Analysis and Applications, Physical Quantities

Is circular motion force, F = mv^2 dimensionally correct?

A student writes an expression of the force causing a body of mass (m) to move in a circular motion with a velocity (v) as F = mv2 uses the dimensional method to check its correctness.

1 Answer
  • application of dimension
  • dimensional formula
  • dimensional method
Pathshala Nepal
4 months ago Grade -11 (NEB) > Science Physics Physical Quantities, Significant Figures & Error Analysis

What do you mean by a significant figure?

What do you mean by a significant figure?

1 Answer
  • significant digits
  • significant figures
Pathshala Nepal
4 months ago Grade -11 (NEB) > Science Physics Accuracy and Precision, Physical Quantities

The length of the rod is exactly 1 cm. An observer records the readings as 1.0 cm, 1.00 cm, and 1.000 cm, which is the most accurate measurement?

The length of the rod is exactly 1 cm. An observer records the readings as 1.0 cm, 1.00 cm, and 1.000 cm, which is the most accurate measurement?

1 Answer
  • accuracy
  • precision
  • reasoning problem
Pathshala Nepal
4 months ago Grade -11 (NEB) > Science Physics Accuracy and Precision, Physical Quantities

The diameter of a steel rod is given as 56.47 ± 0.02 mm. What does it mean?

The diameter of a steel rod is given as 56.47 ± 0.02 mm. What does it mean?

1 Answer
  • accuracy
  • precision
  • reasoning problem
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