The incorrect statement about the nodal plane among the following is:
1. | A plane on which there is a zero probability of finding an electron. |
2. | A plane on which there is maximum probability that the electron will be found. |
3. | ψ2 is zero at nodal plane. |
4. | None of the above. |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
ion and a proton are accelerated by the same potential. The ratio of their de-Broglie wavelengths is
(assume mass of proton = mass of neutron)
1. 1:2
2. 1:4
3. 1:1
4. 1:
The quantum number not obtained from Schrodinger’s wave equation is:
1. | \(n\) | 2. | \(l\) |
3. | \(m\) | 4. | \(s\) |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
A dye absorbs a photon of wavelength and re-emits the same energy into two photons of wavelengths and respectively. The wavelength is related to and as:
1.
2.
3.
4.
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The excited state of an H atom emits a photon of wavelength and returns to the ground state. The principal quantum number of the excited state is given by:
1.
2.
3.
4.
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The graphs that represents the variation of momentum of particle with de-Broglie wavelength is:
1. | 2. | ||
3. | 4. |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The largest de Broglie wavelength among the following (all have equal velocity) is:
1. molecule
2. molecule
3. Electron
4. Proton
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The ratio of slopes of curves in photoelectric effect gives -
(v=frequency, =maximum kinetic energy, stopping potential):
1. Charge of electron
2. Planck's constant
3. Work function
4. The ratio of Planck's constant of electronic charge
The photoelectric emission from a surface starts only when the light incident upon the surface has a certain minimum:
1. | Intensity | 2. | Wavelength |
3. | Frequency | 4. | Velocity |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
In photoelectric effect, the kinetic energy of photoelectrons increases linearly with the:
1. Wavelength of incident light.
2. Frequency of incident light.
3. Velocity of incident light.
4. Atomic mass of an element.
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.