Solved papers for JEE Main & Advanced JEE Main Paper (Held On 12 April 2014)
done JEE Main Paper (Held On 12 April 2014) Total Questions - 1
question_answer1) Excited hydrogen atom emits light in the ultraviolet region at \[2.47\times {{10}^{15}}Hz.\]With this frequency, the energy of a single photon is: \[(h=6.63\times {{10}^{-34}}Js)\]
[JEE Main Online Paper ( Held On 12 Apirl 2014 )