Question Answers

In the above figure, E1 to E6 represent some of the energy levels of an electron in the hydrogen atom. Which one of the following transitions produces a photon of wavelength in the ultra-violet region of the electromagnetic spectrum ? In the above figure The speed of electron in the second orbit of Be^3+ ion [...]

Which of the following parameters are same for all hydrogen like atoms and ions in their ground state? Which of the following parameters are same for all hydrogen like atoms and ions in their ground state? June 5, 2021 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 29 - Atomic Structure ,

If λ1 and λ2 and are the wavelengths of the first members of the Lyman and Paschen series respectively, then λ 1: λ 2 is If λ1 and λ2 and are the wavelengths of the first members of the Lyman and Paschen series respectively then λ 1: λ 2 is June 5, 2021 Category: Cengage [...]

As the quantum number increases, the difference of energy between consecutive energy levels As the quantum number increases the difference of energy between consecutive energy levels June 5, 2021 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 29 - Atomic Structure ,

If R is the Rydberg’s constant for hydrogen then the wave number of the first line in the Lyman series is If R is the Rydberg's constant for hydrogen then the wave number of the first line in the Lyman series is June 5, 2021 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter [...]

When a hydrogen atom emits a photon in going from n=5 to n=1 state, its recoil speed is almost its recoil speed is almost When a hydrogen atom emits a photon in going from n=5 to n=1 state June 5, 2021 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 29 - Atomic Structure [...]

A sample of hydrogen is bombarded by electrons. Through what potential difference should the electrons be accelerated so that third line of Lyman series be emitted? A sample of hydrogen is bombarded by electrons. Through what potential difference should the electrons be accelerated so that third line of Lyman series be emitted? June 5, 2021 [...]

If the radius of an orbit is r and the velocity of electron in it is v , then the frequency of electron in the orbit will be. If the radius of an orbit is r and the velocity of electron in it is v then the frequency of electron in the orbit will be. [...]

The speed of electron in the second orbit of Be^3+ ion will be The speed of electron in the second orbit of Be^3+ ion will be June 5, 2021 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 29 - Atomic Structure ,

The potential energy of an electron in the fifth orbit of hydrogen atom is. The potential energy of an electron in the fifth orbit of hydrogen atom is. June 5, 2021 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 29 - Atomic Structure ,