Year: 2016
Topic: Atoms
Time :
1. If an electron in a hydrogen atomjumps fromthe 3rd orbit to the 2ndorbit, it emits a photon ofwavelength l.When it jumps fromthe 4th orbit to the 3rd orbit, thecorresponding wavelength of thephoton will be
(1). \(\displaystyle \frac{16}{25} \lambda \)
(2). \(\displaystyle \frac{9}{16} \lambda \)
(3). \(\displaystyle \frac{20}{7} \lambda \)
(4). \(\displaystyle \frac{20}{13} \lambda \)