Back to ATOMS
JEE PHYSICS MCQ: ATOMS
1
Medium
1 of 1
Application
+4 | -1
The electron beam in a colour TV is accelerated through and then strikes the screen. What is the wavelength of the most energetic X-ray photon?
View answer and explanation
Correct option: A
The correct answer is 38.8 pm. The wavelength of the most energetic X-ray photon is calculated using the energy gained by the electron beam.
More Questions from ATOMS
Practice All Chapter MCQs →
The de-Broglie wavelength of an electron in the first Bohr orbit is
The volume occupied by an atom is greater than the volume of the nucleus by a factor of about
For a hydrogen atom, when electron jump from to , then wave length of radiation emitted found to be . Then, for which transition of electron of a 'He' atom, the wavelength of radiation emitted will be equal to ' '.
Energy of characteristic X-ray is a consequence of
Taking Rydberg’s constant , first and second wavelength of Balmer series in hydrogen spectrum is
When hydrogen atom is in its first excited level, its radius is its ground state radius