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Light with a frequency of 7.5 x 1014 Hz is able to eject electrons from the metal surface of a photocell that has a threshold frequency of 5.2 x 1014 Hz. What stopping potential is required to stop the emitted photoelectrons?
Q. Heisenberg's uncertainty principle of position & momentum. Describe an experiment to study the uncertainty of position & momentum. Heisenberg's Uncertainty Principle : It
IMPULSE: When a force acts on a body for a very short time, the product of the force and the time for which the force acts, is called the impulse or impulse of force".
What is the difference between vibration and waves?
screw gauge mostly based on what theory
Explain natural physics concerned about? Solution: Natural physics is the branch of physics which deals the physics related to nature.For example-physics related to sunlight,re
how Michelson interferometer can be used to measure the wavelength of sodium light.
Nuclear medicine imagining devices : Imagining ,or producing pictures of the distribution of the radioactivity is the most important aspect of nuclear medicine. Rectilinear s
What do you mean by Normal shift? How can you calculate total internal reflection? Mention an application of total internal reflection.
Consider two identical plastic foam balls each one having a thin sheath of aluminium foil. One of the balls has a few positive charges and the other has the same amount of negative
Q. What are uses of ultra-violet radiations? Uses of ultra-violet radiations: (i) They are utilized to destroy the bacteria and for sterilizing surgical instruments.
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