1
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
Which of the following series of transitions in the spectrum of hydrogen atom fall in visible region?
2
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
The Lyman series of hydrogen spectrum lies in which region
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0
A body of mass 10 mg is moving with a velocity of 100 ms$$^{-1}$$. The wavelength of de-Broglie wave associated with it would be
($$h=6.63\times10^{-34}$$ Js)
4
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0
Mg$$^{2+}$$ is isoelectronic with
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