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An electron has kinetic energy 2.8 x 10 -23J . de-Broglie wavelength will be nearly:
(me: 9.1 x 10 -31 kg)
(1) 9.28x 10-4m
(2) 9.28 x10-7 m
(3) 9.28 x 10 -8m
(4) 9.28x 10 -10 m
Ans:(c) 9.28 x 10 -8m
Explain tie-line rule Tie-line rule is applied to determine the compositions of two co-existing phases in a binary phase diagram. Tie line is a horizontal line drawn at the tem
Give two methods for preparation of acetophenones
Electrophilic Addition Reactions (A) Such types of reactions are generally provided by alkynes and alkenes. (B) Electrophilic addition reactions of alkynes and alkenes are m
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If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Ans) There is a formula for this i.e [ (n 2- n 1 +1)
diagonal relationship between b ans si
Calculate the energy required to compress carbon dioxide from 1 bar to 50 bar (final volume is 50 ml, 298 K, ideal gas).
Streptomycin: It was discovered in the year 1944 by Waksman. Streptomycin is successful against tuberculosis. It is as well used for other general infections such as ears, thro
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