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Q Define threshold frequency?
The minimum frequency of incident radiation lower which the photoelectric emission isn't possible completely but high the intensity of incident radiation may be. The threshold frequency is dissimilar for different metals.
define
What do you mean by transformer ratio? A current of 2A is passed through a coil of 1000 turns to produce a flux of 0.5µwb. Determine the self inductance of the coil.
A proton and an alpha particle pass by the gap of a strong magnet. If both particles have the similar initial velocity, how many times greater will the defection of the proto
Spectrum and electromagnetic radiations: What is a spectrum? Ans: A spectrum is a group of wave lengths or frequencies. What are the electromagnetic radiations? Ans:
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describe the construction and working of geiger muller counter. give its important application.
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