Physics-
General
Easy
Question
The ratio of 
to 
when is maximum is :
- at no time this is possible
- 2
- 1/3
The correct answer is: 2
for N2 to be maximum, N2
Related Questions to study
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Pertain to the statement and diagram below :
he figure given shows an energy level diagram for the hydrogen atom. Several transitions are marked as I,II,III, _. The diagram is only indicative and not to scale.
In which transition is a Balmer series photon absorbed ?
Pertain to the statement and diagram below :
he figure given shows an energy level diagram for the hydrogen atom. Several transitions are marked as I,II,III, _. The diagram is only indicative and not to scale.
In which transition is a Balmer series photon absorbed ?
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When an electron accelerated by potential difference U is bombarded on a specific metal, the emitted X-ray spectrum obtained is shown in adjoining graph. If the potential difference is reduced to U/3, the correct spectrum is
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In a historical experiment to determine Planck’s constant, a metal surface was irradiated with light of different wavelengths. The emitted photoelectron energies were measured by applying a stopping potential. The relevant data for the wavelength (
) of incident light and the corresponding stopping potential (
) are given below:
Given that 
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In a historical experiment to determine Planck’s constant, a metal surface was irradiated with light of different wavelengths. The emitted photoelectron energies were measured by applying a stopping potential. The relevant data for the wavelength () of incident light and the corresponding stopping potential ( ) are given below:
Given that , Planck’s constant (in units of J s) found from such an experiment is
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The graph between 1/
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in an experiment of photo–electric effect is plotted as shown in the figure. Which of the following statement(s) is/are correct ? [Here is the wavelength of the incident ray].
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The graph is showing the photocurrent with the applied voltage of a photoelectric effect experiment. Then
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The diagram shows the energy levels for an electron in a certain atom. Which transition shown represents the emission of a photon with the most energy?
The diagram shows the energy levels for an electron in a certain atom. Which transition shown represents the emission of a photon with the most energy?
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The figure shows an energy level diagram for the hydrogen atom. Several transitions are marked as I,II,III, _______. The diagram is only indicative and not to scale.
In which transition is a Balmer series photon absorbed ?
The figure shows an energy level diagram for the hydrogen atom. Several transitions are marked as I,II,III, _______. The diagram is only indicative and not to scale.
In which transition is a Balmer series photon absorbed ?
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If min is minimum wavelength produced in X-ray tube and k
is the wavelength of k line. As the operating tube voltage is increased.
If min is minimum wavelength produced in X-ray tube and k is the wavelength of k line. As the operating tube voltage is increased.
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Given curve shows the intensity-wavelength relations of X-rays coming from two different Coolidge tubes A and B. The dark curve represents the relation for the tube A in which the potential difference between the target and the filament is 
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Given curve shows the intensity-wavelength relations of X-rays coming from two different Coolidge tubes A and B. The dark curve represents the relation for the tube A in which the potential difference between the target and the filament is and the atomic number of the target material is . Similarly dotted curve is for tube B. These quantities are and for the
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The figure shows surface XY separating two transparent media, medium–1 and medium–2. The lines ab and cd represent wavefronts of a light wave travelling in medium–1 and incident on XY. The lines ef and gh represent wavefronts of the light wave in medium–2 after refraction.
Light travels as a
The figure shows surface XY separating two transparent media, medium–1 and medium–2. The lines ab and cd represent wavefronts of a light wave travelling in medium–1 and incident on XY. The lines ef and gh represent wavefronts of the light wave in medium–2 after refraction.
Light travels as a
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A parallel beam of light of wavelength is incident on a plane mirror at an angle 
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A parallel beam of light of wavelength is incident on a plane mirror at an angle as shown in the figure. With maximum intensity at point P, which of the following relation is correct.
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Monochromatic light is incident on a glass prism of angle A. If the refractive index of the material of the prism is , a rav, incident at an angle q, on the face AB would get transmitted through the face AC of the prism provided
Monochromatic light is incident on a glass prism of angle A. If the refractive index of the material of the prism is , a rav, incident at an angle q, on the face AB would get transmitted through the face AC of the prism provided
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Two coherent point sources 
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Two coherent point sources and are separated by a small distance 'd' as shown. The fringes obtained on the screen will be :
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The figure shows a schematic diagram showing the arrangement of Young's Double Slit experiment
Choose the correct statement (s) related to the wavelength of light used.
The figure shows a schematic diagram showing the arrangement of Young's Double Slit experiment
Choose the correct statement (s) related to the wavelength of light used.
physics-General
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A capacitor of capacitance C is charged to a potential difference V from a cell and then disconnected from it. A charge +Q is now given to its positive plate. The potential difference across the capacitor is now
A capacitor of capacitance C is charged to a potential difference V from a cell and then disconnected from it. A charge +Q is now given to its positive plate. The potential difference across the capacitor is now
physics-General
