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An electron collides with a hydrogen atom in its ground state and excites it to n = 3. The energy given to hydrogen atom in this inelastic collision is An electron collides with a hydrogen atom in its ground state and excites it to n = 3. The energy given to hydrogen atom in this [...]

Mark out the correct statement regarding X-rays. (1) When fast moving electrons strike the metal target, they enter the metal target and in a very short time span come to rest, Mark out the correct statement regarding X-rays. (1) When fast moving electrons strike the metal target they enter the metal target and in a [...]

A sample of hydrogen atoms is in excited state (all the atoms). The photons emitted from this sample are made to pass through a filter through which light having wavelength greater A sample of hydrogen atoms is in excited state (all the atoms). The photons emitted from this sample are made to pass through a [...]

Hydrogen atoms in a sample are excited to n = 5 state and it is found that photons of all possible wavelengths are present in the emission spectra. The minimum number of hydrogen Hydrogen atoms in a sample are excited to n = 5 state and it is found that photons of all possible wavelengths [...]

A hydrogen-like atom (atomic number Z) is in a higher excited state of quantum number n. This excited atom can make a transition to the first excited state by successively emitting A hydrogen-like atom (atomic number Z) is in a higher excited state of quantum number n. This excited atom can make a transition to [...]

The power of an X-ray tube is 16 W. If the potential difference applied across the tube is 5 kV, then the number of electrons striking the target per second is The power of an X-ray tube is 16 W. If the potential difference applied across the tube is 5 kV then the number of [...]

Monochromatic radiations of wavelength lemda are incident on a hydrogen sample in the ground state. Hydrogen atom absorbs the light and subsequently emits radiations of 10 different Monochromatic radiations of wavelength lemda are incident on a hydrogen sample in the ground state. Hydrogen atom absorbs the light and subsequently emits radiations of 10 different October [...]

when the voltage applied to an X-ray tube increases from V1 = 10 KV to V2 = 20 kV, the wavelength interval between K alpha line and cut-off wavelength of continuous spectrum increases the wavelength interval between K alpha line and cut-off wavelength of continuous spectrum increases when the voltage applied to an X-ray tube [...]

An electron in a hydrogen atom makes a transition from first excited state to ground state. The equivalent current due to circulating electron: An electron in a hydrogen atom makes a transition from first excited state to ground state. The equivalent current due to circulating electron: October 15, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

3. ABC is an isosceles triangle in which altitudes BE and CF are drawn to equal sides AC and AB respectively (see Fig. 7.31). Show that these altitudes are equal. 3. ABC is an isosceles triangle in which altitudes BE and CF are drawn to equal sides AC and AB respectively (see Fig. 7.31). Show [...]