1.

Hydrogen atom emits blue light when it changes from n = 4 energy level to the n = 2 level. Which colour of light would the atom emit when it changes from the n = 5 level to the n = 2 level                                              [KCET 1993]

A. Red
B. Yellow
C. Green
D. Violet
Answer» E.


Discussion

No Comment Found

Related MCQs