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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.
Rutherford’s atomic model failure Rutherford proposed that the electrons circulate around the nucleus. However according to electromagnetic theory, such circulating elect
Any rigid body suspended from a fixed support constitutes a physical pendulum. Let Consider the situation when the body is displaced by a small angle Torque on the body about O is
Eddy current loss is proportional to the (A) Frequency. (B) Square of the frequency. (C) Cube of the frequency. (D) Square-root of the frequency.
In a Newton's ring experiment with air film the diameter of nth and (n - 5)th dark rings are 12.2 mm and 8.1 mm respectively. Evaluate the diameter of (n + 5)th dark ring
An elementary particle is: (1)An element present in a compound (2)An atom present in an element (3)A sub-atomic particle (4)A fragment of an atom Ans: (3)A s
Classical Mechanics and Electromagnetism Classical Mechanics , which study with the motion of bodies under the action of forces. This is often known as Newtonian mechanics as
There are two parts of Thermionic emitters:- A) Directly heated emitter (i) Cathode is directly heated by passing current. (ii) Thermionic current is less. (iii) Ener
a) The potential at a particular distance form a point charge is 600 volts and the electric field is 200 N/C. b) Describe distance of the point charge? c) Describe magn
Five volts are applied across the plates of a parallel plate capacitor. The distance of separation of the plates is .02 meters. What is the magnitude of the electric field inside t
Question 1 Discuss the physical characteristics of an X-ray beam. Write a note on factors influencing the quality and intensity of the X-ray beam Question 2 Explain the const
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