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Describe specific charge? Desfine Thomson's experiment to calculate e/m of an electron with relevant theory.
A scooterist is racing at a speed of 72 km per hour. If the radius of the wheel is 20 cm, find the angular speed of the wheels. Ans) 72kmph=20m/s 20cm=0.2m; v=rw w=v/r w=20/0
The potential difference created across the P-N junction due to the diffusion of electron and holes is called potential barrier. For and for silicon On the average the
What mechanical and electronic device has a name derived from a Czechoslovakian word meaning "work; compulsory service"? Ans: From a Czechoslovakian word meaning "work; com
Q. What is ionisation potential energy? For hydrogen atom the energy necessary to remove an electron from first orbit to its outermost orbit (n=∞) is 13.6-0 = 13.6eV. This ene
What is motion
Wires A as well as wire B are both made out of copper. Wire B is double as long as wire A. The diameter of wire B is doubles that of wire A. Answer: Resistivity is a charac
An electron in a hydrogen atom makes a transition from E 3 to E 1 . How much energy does the atom lose?
A satellite is goes form the surface of earth vertically and then is turned horixontally in space as it requires to revolve around the earth.
Q. Explain what is light? Light is certainly electromagnetic radiation but the expression electromagnetic radiation is by no means an explanation of what light is. Light is a w
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