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Neutron possesses:
(1)Positive charge
(2)Negative charge
(3)No charge
(4)All are correct
Ans: (3)No charge
To develop the correct mathematical explanation of the distribution of radiated energy of a blackbody with respect to wavelength for a given temperature. Planck found it essent
With that purpose was famous Davisson-Germer experiment with electrons performed? Name the type of communication in which the sign is a discrete and binary coded version of the
Carnot's theorem (S. Carnot) The theorem which states that no engine operating among two temperatures can be more capable than a reversible engine.
Q. Action to be made if the resistance to earth of earth electrode is high? Ans: Earth resistance lies upon soil conductivity. To reduce earth resistance dig around the earth
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 r
Harmful effects of Noise: 1. Noise causes nervous tension, aggression and commotion in normal human beings. 2. Continuous noise damage hearing power and complete deafness.
Double-slit experiment (T. Young; 1801): A popular experiment which illustrates the wave nature of light (and indeed of other particles). Light is passed out from a small sour
According to Rutherford's experiment when a sample of radioactive substance is place in a lead box and permit the emission of radiation by a small hole only. When the radiation ent
(i) A number system which has only two characters i.e. 0 (Low value) and 1 (High value) is known as binary system (ii) The electrical circuit which operates only in these two di
Lagrange points: Points within the vicinity of two massive bodies (like the Earth and the Moon) where each others' respective gravities balance. There are five, labeled L1 to
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