A glass tube has `Be^(+++)` ions excited to their second excited state. The radiation coming out of this tube is incident on a metal plate having work

Question

A glass tube has `Be^(+++)` ions excited to their second excited state. The radiation coming out of this tube is incident on a metal plate having work

A glass tube has `Be^(+++)` ions excited to their second excited state. The radiation coming out of this tube is incident on a metal plate having work function `f = 5 eV`. Find the minimum de-Broglie wavelength of emitted photoelectrons.

Monjur Alahi

7 views

2025-01-04 04:42

1 Answers

Related Questions

An electron in hydrogen atom first jumps from second excited state to first excited state and then from first excited state to ground state. Let the r

2 Answers 4 Views

In a hydrogen atom, the electron is in `n^(th)` excited state. It may come down to second excited state by emitting ten different wavelengths. What is

2 Answers 5 Views

`H^(+)` ions are in excited state from where maximum 6 types of photons can be emitted. If E is the separation energy of electron in this excited stat

2 Answers 11 Views

Work function of metal X is equal to `3.5 eV` and work function of material Y is equal to ionization energy of He+ ion in its first excited state. Lig

2 Answers 6 Views

A hydrogen like atom (atomic number = Z) is in higher excited state of quantum number n. This excited atom can make a transition to first excited stat

2 Answers 9 Views

A parallel - plate capacitor of plate area `A` and plate separation d is charged to a potential difference `V` and then the battery is disconnected .

2 Answers 5 Views

Between the plates of a parallel-plate capacitor there is a metallic plate whose thickness takes up `eta = 0.60` of the capacitor gap. When that plate

2 Answers 5 Views

If the speed of photoelectrons is `10^(4) ms^(-1)`, what should be the frequency of incident radiation on the potassium metal ? Work function of potas

2 Answers 5 Views

A parallel -plate capacitor with the plate area `100cm^2` and the separation between the plate `1.0cm` is connected across a battery of emf 24 volts .

2 Answers 4 Views

An open glass tube is immersed in mercury so that a length of `8 cm` of the tube projects above the mercury. The tube is then closed and raised throug

2 Answers 5 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - `0.9 Å`

7 views Answered 2023-02-05 15:29