If an electron in a hydrogen atom is in ...

If an electron in a hydrogen atom is in its `2^("nd")` excited state, orbiting the nucleus in a stationary orbit or radius `4.65Å`, then its de - Broglie wavelength is

`12.9Å`

`3.5Å`

`9.7Å`

`6.67Å`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

JEE MOCK TEST 7
NTA MOCK TESTS|Exercise PHYSICS - Subjective Numerical|5 Videos
JEE MOCK TEST 9
NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

An electron , in a hydrogen-like atom, is in excited state. It has a total energy of -3.4 eV. Calculate (a) the kinetic energy and (b) the de Broglie wavelength of the electron.

When an electron revolving in the ground state of a hydrogen atom jumps to its 2^"nd" excited state.

Consider an electron in a hydrogen atom, revolving in its second excited state (having radius 4.65Å ). The de-Broglie wavelength of the electron is

An electron in a hydrogen like atom makes transition from a state in which itd de Broglie wavelength is lambda_(1) to a state where its de Broglie wavelength is lambda_(2) then wavelength of photon ( lambda ) generated will be :

Consider an electron in the nth orbit of a hydrogen atom in the Bohr model. The circumference of the orbit can be expressed in terms of the de Broglie wavelength lambda of that electron as

Consider an electron in the n^(th) orbit of a hydrogen atom in the Bohr model . The circumference of the orbit can be expressed in terms of the de Broglie wavelength lambda of the electron as :

An electron, in a hydrogen like atom , is in excited state. It has a total energy of -3.4 eV, find the de-Broglie wavelength of the electron.

NTA MOCK TESTS-JEE MOCK TEST 8-PHYSICS

A particle is projected from the ground and simultaneously a wedge sta...
Text Solution
|
A square loop EFGH of side a, mass m and total resistance R is falling...
Text Solution
|
N molecules each of mass m of gas A and 2 N molecules each of mass 2m ...
Text Solution
|
Two particles of equal mass m are moving with velocities vhati and v((...
Text Solution
|
A block of mass 200 kg is being pulled by some men, up an inclined pla...
Text Solution
|
In a uniform magnetic field of strength 0.15 T, a short bar magnet of ...
Text Solution
|
The current I(1) (in A) flowing through the 1Omega resistor in the giv...
Text Solution
|
In figure the electric field using Gauss law the Formula |vec(E)|=(q("...
Text Solution
|
An inverted bell lying at the bottom of a lake 47.6 m deep has 50 cm^3...
Text Solution
|
A simple pendulum is being used to determine the value of gravitationa...
Text Solution
|
A bar of mass m and length l is in pure translational motion with its ...
Text Solution
|
The given figure shows the elliptical orbit of a planet m about the su...
Text Solution
|
The speed of sound in hydrogen gas at N.T.P is 1328ms^(-1). If the den...
Text Solution
|
Equation of motion for a particle performing damped harmonic oscillati...
Text Solution
|
If an electron in a hydrogen atom is in its 2^("nd") excited state, or...
Text Solution
|
IF B is the magnetic field at the centre of a circular loop of area A ...
Text Solution
|
In young's double slit experiment using monochromatic light of wavelen...
Text Solution
|
A plano - convex lens has diameter 5 cm and its thickness at the centr...
Text Solution
|
In a special arrangement of Young's double - slits d is twice the dist...
Text Solution
|
A series combination of n(1) capacitors, each of value C(1), is charge...
Text Solution
|