Advertisements
Advertisements
प्रश्न
Answer the following question.
Define the term "Intensity" in the photon picture of electromagnetic radiation.
Advertisements
उत्तर
The intensity I, is defined as the total amount of energy falling on a given surface/Region per unit time 't' and per unit area 'A'.
If the total energy emitted = `nhv`
Then, `I = "nhv"/"At"`.
APPEARS IN
संबंधित प्रश्न
What is Magnetic intensity?
Define magnetic intensity.
The magnetic susceptibility is given by ______
An iron rod of cross-sectional area 6 sq. cm is placed with its length parallel to a magnetic field of intensity 1200 Alm. The flux through the rod is 60 x 10-4 Wb. The permeability of the rod is ______.
A magnet of magnetic moment 6 Am2 weighs 65 g. The density of the material of the magnet is 6500 kg/m3. What is the magnetization?
If Mz = magnetization of a paramagnetic sample, B external magnetic field, T = absolute temperature, C = curie constant then according to Curie's law in magnetism, the correct relation is ______.
A bar magnet has length 3 cm, cross-sectional area 4 cm2, and magnetic moment 6 Am2. The intensity of magnetisation of bar magnet is ______.
The magnetic moment produced in a substance of mass 5 gram is 6 x 10-7 Am2 If its density is 5 g/cm3, then intensity of magnetization in `"A"/"m"` will be ____________.
A magnetic needle of magnetic moment 6.7 × 10–2 Am2 and moment of inertia 7.5 × 10–6 kg m2 is performing simple harmonic oscillations in a magnetic field of 0.01 T. Time taken for 10 complete oscillations is ______.
