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Emission spectrum of hidrogen is different from emission spectrum of sodium.Why? Ans) Because, in sodium atom there are already many other electrons present in the atom aother than
what is the working principle of diamond dosimeter and whast are its advantages and disadvantages over other dosimeters?
What do you mean by Doppler's shift? Derive a mathematical expression for the apparent frequency heard by a moving listener when the source of sound is at rest. What is the effe
Ohm's law : The electric current (i) in a conductor is proportional to the potential difference (V) between its ends of a constant temperature (T). Verification: To v
Vector Direction The significance of 'direction' could be seen in the dissimilarity among velocity and speed. In physics, speed is a pure scalar or something along with a magni
Types of Semiconductor Diode
A parallel plate capacitor is made from 25 plates, each 70mmby 120mm interleaved with mica of relative permittivity 5. If the capacitance of the capacitor is 3000pF verify the
Light with a frequency of 7.5 x 10 14 Hz is able to eject electrons from the metal surface of a photocell that has a threshold frequency of 5.2 x 10 14 Hz. What stopping potentia
Simultaneity principle The principle that all of the frames of reference will have invariant simultaneity; i.e., two events perceived as simultaneous (that is, having the simi
The simple equation E = mc² is not usually applicable to all these types of mass and energy, except in the special case that the total additive momentum is zero for the system unde
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