Exams › NEET › Physics

An electron jumps from the 4 th orbit to the 2 nd orbit of hydrogen atom. Given the Rydberg's constant 1 5 10   cm R . The frequency in Hz of the emitted radiation will be

1. 5 10 16 3 
2. 15 10 16 3 
3. 15 10 16 9 
4. 15 10 4 3 

Correct answer: 15 10 16 9 

Related NEET Physics questions

• The cathode rays have particle nature because of the fact that
• When electron beam passes through an electric field, they gain kinetic energy. If the same beam passes through magnetic field, then
• The ratio of longest wavelength and the shortest wavelength observed in the five spectral series of emission spectrum of hydrogen is
• There are 1 n photons of frequency 1  in a beam of light. In an equally energetic beam, there are 2 n photons of frequency 2  . Then the correct relation is
• According to Bohr's theory the moment of momentum of an electron revolving in second orbit of hydrogen atom will be
• Einstein's photoelectric equation states that     h E k . In this equation k E refers to

⚔️ Practice NEET Physics free + battle 1v1 →