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Q. What is band emission spectrum? Give an example.
It consists of a numerous bright bands with a sharp edge at one end but fading out at the other end. Band spectra are acquired from molecules. It is the quality of the molecule.
Instance Calcium or Barium salts in a Bunsen flame and gases like carbon dioxide, ammonia as well as nitrogen in molecular state in the discharge tube give band spectra.
A centrifugal fan is used to pump air. The fan rotor is 1 ft in diameter, and the blade spacing is 2 in. The air enters with no angular momentum and exits radially with respect to
suppose you are running and want to stop at once. surely you will have to produce negative acceleration in your speed. can you tell from where does the necessary force come ?
Q. Illustrate what is ntu in thermodynamics? Answer:- The ntu is nothing but number of transfer units it is one of the method utilized to find the heat transfer of hot and
In steady state forced vibration, briefly explain how the phase of driven system modifies with frequency of the driving force?
5kVA single-phase transformer has a turns ratio of 10:1 and is fed from a 2.5kV supply. Neglecting losses, Determine (a) the full load secondary current, (b) the minimum
Two compartments each of 1 m 3 capacity are connected by a valve and insulated from the surroundings and from each other. One compartment contains saturated steam at 683.6 kPa and
yes.fricton is working always opposite to the motion
Work out the voltage for the following arrangement of 1.5V cells: ( Solve problems with cells in series, parallel and series-parallel)
state and explain pauli''s exclusion principle
Q. Define critical temperature. The temperature at that electrical resistivity of the material suddenly drops to zero and the material changes from normal conductor to a super
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