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When a metal is illuminated with radiation with a wavelength of 152 nm, photoelectrons are ejected with a velocity of 7.9 x 105 m/s.
What is the work function, in eV, of the metal?
The temperature of a gas is held constant whereas its volume is reduced. The pressure the gas exerts on the walls of its container enhances because its molecules: a) stri
What is a P-N junction? How does it behave under forward and reverse bias? Describe with the help of circuit diagrams.
The greatest induced EMF will occur in a straight wire moving at constant speed through a uniform magnetic field when the angle between the direction of the wire's motion and the d
PLEASE
Physical interpretation of wave function : Einstein proposed a historic relationship between energy and mass using postulates of STR. The variation of mass with velocity has modif
The opposition offered to the circular motion of bodies like sphere, disc, ring, cylinder etc. on another surface is known as rolling friction.
OHM’S LAW: So far you have been introduced to the concepts of electric current (as a movement of free electrons through a conducting material), voltage (or potential) and poten
An astronaut on a small planet wishes to measure the local value of g by timing pulses traveling down a wire which hasa large object suspended from it. Assume a wire of mass3.50
how to calculate acceleration?
Mention two salient features of immunity theory of ageing. Write the full form of ESR. What does the increase in ESR indicate?
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