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Compton effect (A.H. Compton; 1923)
An effect which demonstrates that photons (the quantum of electromagnetic radiation) contains momentum. At a stationary particle, a photon fired such as an electron, will impart momentum to the electron and, as its energy has been reduced, will experience a corresponding falling in frequency.
Short- distance radiotherapy or brachytherapy: The advantage: it gives a very large dose to the tumor with a minimum radiation to the surrounding normal tissue. Disadva
1.A=the set of whole numbers less tan 4 ? 2.B=the set of prime numbers less than 19 ? 3.C=the set of first three days of week?
Some phenomenon based on scattering: (i) Sky looks blue because of scattering. (ii) At the starting time of sunrise or sunset sun looks reddish. (iii) Danger signals are
Self inductance: When current through a coil changes, the changing flux induces an emf that opposes the current flow. This emf is the result of self inductance and is called '
A helium atom is in a galaxy travelling at a speed of 4.89 x 10 6 m/s away from the Earth. An astronomer on Earth observes a frequency from the helium atom of 6.52 x 10 14 H
Defective eyesight due to focusing(refractive)problems- ametropia: It is often possible to correct ametropia completely with glasses There are four general types of ametrop
calour formed in pure and impure spectrum
Give a mathematical expression for linear width of principal maxima in case of single slit Fraunhofer diffraction.
An overhead light fixture holds three light bulbs. Every light bulb has a luminous flux of 1892 lm. The light fixture is 1.8 m above the floor. What is the illuminance o
what is elastic fatigue
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