Cengage NEET by C.P Singh

Imagine an atom made up of a proton and a hypothetical particle of double the mass of the electron but having the same charge as the electron. Apply the Bohr atom model and consider all possible transitions of this hypothetical particle to the first exited level . The longest wavelength photon that will be emitted [...]

A hydrogen atom in a state having a binding energy of 0.85 eV makes transition to a state with excitation energy 10.2 eV. The quantum number n of the upper and the lower energy states are A hydrogen atom in a state having a binding energy of 0.85 eV makes transition to a state with [...]

The ionisation potential of hydrogen atom is -13.6 ev an electron the ground state of a hydrogen atom absorbs a photon of energy 12.75 eV. How many different spectral lines can one expert when the electron make a downward transition Of the following transitions in a hydrogen atom the one which gives an absorption line [...]

Electrons in a certain energy level n=n1, can emit 3 spectral lines. When they are in another energy level n=n2. They can emit 6 spectral lines. The orbital speeds of the electrons in the two orbits are in the ratio can emit 3 spectral lines. When they are in another energy level n=n2. They can [...]

In hydrogen atom, electron makes transition from n=4 to n=1 level. Recoil momentum of the H atom will be electron makes transition from n=4 to n=1 level. Recoil momentum of the H atom will be In hydrogen atom June 9, 2021 Category: Cengage NEET by C.P Singh , Chapter 15 - Properties of Matter ,

In a hypothetical Bohr hydrogen, the mass of the electron is doubled. The energy E0 and the radius r0 of the first orbit will be (a0 is the Bohr radius) In a hypothetical Bohr hydrogen the mass of the electron is doubled. The energy E0 and the radius r0 of the first orbit will be [...]

A hydrogen sample is prepared in a particular state A photon of energy 2.55eV gel absorbed into the sample to take some of the electron to a further excited state B find the quantum numbers of the A and B Of the following transitions in a hydrogen atom the one which gives an absorption line [...]

An electron in a hydrogen atom makes a transition from n = n1 to n = n2. The time period of the electron in the initial state is eight times that in the final state. The possible values of n1 and n2 are A hydrogen atom in its ground state absorbs 10.2eV of energy. The [...]

Of the following transitions in a hydrogen atom, the one which gives an absorption line of highest frequency is. Of the following transitions in a hydrogen atom the one which gives an absorption line of highest frequency is. June 9, 2021 Category: Cengage NEET by C.P Singh , Chapter 15 - Properties of Matter ,

In which of the following systems will the wavelength corresponding to n=2 to n=1 be minimum? In which of the following systems will the wavelength corresponding to n=2 to n=1 be minimum? June 9, 2021 Category: Cengage NEET by C.P Singh , Chapter 15 - Properties of Matter ,