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The dimension of 1μ0∈0 is - Physics

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प्रश्न

The dimension of `1/(mu_0 ∈_0)` is

विकल्प

  • [LT-1]

  • [L2 T-2]

  • [L-1 T]

  • [L-2 T2]

MCQ

उत्तर

[L2 T-2]

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अध्याय 5: Electromagnetic waves - Evaluation [पृष्ठ २८२]

APPEARS IN

सामाचीर कलवी Physics - Volume 1 and 2 [English] Class 12 TN Board
अध्याय 5 Electromagnetic waves
Evaluation | Q I. 1. | पृष्ठ २८२

संबंधित प्रश्न

In a plane electromagnetic wave, the electric field oscillates sinusoidally at a frequency of 2.0 × 1010 Hz and amplitude 48 V m−1.

  1. What is the wavelength of the wave?
  2. What is the amplitude of the oscillating magnetic field?
  3. Show that the average energy density of the E field equals the average energy density of the B field.
    [c = 3 × 108 m s−1]

State any one property which is common to all electromagnetic waves.


The energy levels of an atom of a certain element are shown in the given figure. Which one of the transitions A, B, C, D or E will result in the emission of photons of electromagnetic radiation of wavelength 618.75 nm? Support your answer with mathematical calculations.


Consider an oscillator which has a charged particle oscillating about its mean position with a frequency of 300 MHz. The wavelength of electromagnetic waves produced by this oscillator is ______.


Discuss the Hertz experiment.


Maxwell’s displacement current is a response to inconsistency in the ______.


If `vecE` and `vecB` represent electric and magnetic field vectors of the electromagnetic wave, the direction of propagation of the electromagnetic wave is along ______.


Sunlight falls normally on a surface of area 36 cm2 and exerts an average force of 7.2 × 10-9 N within a time period of 20 minutes. Considering a case of complete absorption the energy flux of incident light is ______.


The electric field in an electromagnetic wave is given by E = 56.5 sin ω(t - x/c)Nc-1. Find the intensity of the wave if it is propagating along x-axis in the free space.

(Given ε0 = 8.85 × 10-12 C2 N-1 m-2)


The ratio of the magnitudes of the electric field and magnetic field of a plane electromagnetic wave is ______.


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