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Light described at a place by the equationE=100[sin(5*10^15)t + sin(8*10^15)t] falls on the metal surface having work function 2eV.calculate the maximum kinetic energy of photoelectrons?Solution) 5x 10^15 and 8x 10^15 are angular frequency of the light. so u can calculate frequency from the anglular freq asw= 2pi v so v = w/2(pi) after that calculate the mean freq by sqaring and adding then take out the sq root .that is ur freqq ... then equate it to einsteins photoelectric eqn .
Explain Antenna. Write a short note or Antenna. Name two parts of antenna.
Right hand Rule: James clark Maxwell proposed a rule to search the direction of magnetic lines of force around a wire carrying current. This rule states. "If a current carr
Q. Illustrate what does hull speed mean? Answer:- Hull speed- It is the theoretical limit of a sail craft's speed. It is able to be approximated by the following formula
A 10.0-kg object is held up by a string that will break when the tension exceeds 1.00 x 10 2 N. At what upward acceleration will the string break?
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.
How to find out neutral point ? What all things we require to equate or form a equation to find the neutral poind and how to do it?
There are several conditions for formation of cat ions ? Low Ionisational potential ? Lesser Charge ? More atomic size of atoms forms cations easily ? Ions having Inert
Photon Interactions a. Consider a Si detector of 1 mm thickness. 10 6 photons each with energy of 100 keV are incident on the detector. Find the number of coherent, Compton, an
Fig- detremines a square loop Made from a uniform wire. Determine the magnetic field at the centre of the square if a battery is connected among the points A and C.
what is the difference between diplacement and distance
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