Question
Which of the following transitions in hydrogen atom
will result in emission of radiation of longest wavelength?Solution
The wavelength of the emitted radiation during a transition in a hydrogen atom is given by the Rydberg formula: 
where: 
wavelength. Therefore, the transition n = 5 to n = 4 will result in the emission of radiation of the longest wavelength.
What happened to the kids after their realisation that the skin colour was a trivial matter?
Find out the appropriate word in each case.
Which is the THIRD sentence of the paragraph?
Find the appropriate word.
- Choose the most appropriate option to fill in blank number 3.
Select the most appropriate option to fill in blank.
What was the effect of RBI’s intervention to reduce the steep fall in the value of rupee?
Which of the following is the synonym/antonym of the word ‘unending’?
Fill the blank 4.
 Select the most appropriate option to fill in blank
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