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why CPH has speed Vc and Vc is greater than c?
Answer; since you know photon has spin. Thus the path per time of a point on photon is greater than c it means the speed of photon's elements are greater than c (see following picture).
Q. What is Maser? Give the principle of it. 1) The term MASER for Microwave Amplification through Stimulated Emission of Radiation. 2) The working of maser is similar to th
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
is motion of a ball on a smooth surface an example of uniform velocity? is motion of a ball on a rough surface an example of variable velocity? is a car moving on a straight path
It is defined as the magnetic lines of force per unit area of the pole face. B=φ/A where φ is the magnetic lines of f
Graphs of current against voltage for two resistors P and Q are shown in Figure. Determine the value of every resistor.
how does expansion occur
This is the virtue of a material resists flow of electric current. It should be as high as possible. When material is subjected to an electrical pressure then will always be a flow
concave grating and rowland''s mounting theory
The supersonic airliner Concorde is 62.1 m long when sitting on the ground on a typical(15degreesC) day. It is primarily made of aluminum. In flight at twice the speed of sound, fr
A rocket weighs 9800N. What applied force gives it a vertical acceleration of 4m/sec/sec?
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