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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?Solution) There is a formula for this i.e [ (n2-n1+1)(n2-n1) / 2 ] So if acc. to your question n1=1 and n2=4 then the answer is 6.
Distinguish between dry corrosion and wet corrosion. Write brief notes on dissimilar types of liquid crystals.
give two reasons why it is necessary to ionize the chromium atoms
The total post harvest system of cereal processing is given in the following flow chart:
principle and application of potentiometry in biochemistry
Q. Use of Reactants in Excess? Ans. Consider a recipe for pancakes that calls for 2 cups of pancake batter mix and 1 cup of water. The result of this recipe is 14 pancakes
How are the following sole produced (a) Sulphur sol (b) Collodion
The two chair conformations of cis-1,3-dimethylcyclohexane
If the velocity of hydrogen molecule is 5x 10 4 cm sec -1 then its de-Broglie wavelength is: (1) 2 Å (2) 4 Å (3) 8 Å (4)100 Å Ans: 4 Å
Q. Determine the specific heat and claculate the total heat transfer? Ans. If a mug full of coffee has about 350 g of liquid inside, how much heat is lost as it cools from 87 o
Difference between methanol and ethanol Methanol Ethanol (a) When CH 3 OH is heated on Cu coil it gives formalin like smell.
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