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Q. What percentage of a given radioactive substance will be left after 5 half -life periods?
The residual part of radioactive substance = ( ½ ) 5
Therefore the percentage of remaining part of radioactive substance
= ( ½ ) 5 X 100% = 3.125 %
Determine the amount of heat transfer required to convert 200 g(0.200kg) of ice to vapor if the initial temperature of the ice is25 degrees C and the final temperature is 100 degre
A reaction is first order in A and second order in B. (a) Write differential rate equation. (b) How is the rate affected if the concentration of B is tripled? (c) How is
what is meant by cryotron?
plz derive a equation to magnetic force between short magnetic dipoles at distance apart?
Describe the physical significance of curl of a vector function?
1. Two trucks are connected by a rope. The rope is attached to a winch on one of the trucks so that the trucks are being pulled together slowly as the winch pulls in the rope. For
The mass of 1 mole of electrons is: (1) 9.1x 10 -28 g (2) 1.008mg (3) 0.55mg (4) 9.1x 10 -27 g Ans: (3)0.55mg
is always del U o in cyclic process
An athlete run a certain distance before taking a long jump. Why?
describe young''s double slits experiments for interference of light ?
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