The de Broglie wave length of an electro...

The de Broglie wave length of an electron of velocity `1.5×10^8` m/s is equal to that of photon. The ratio of the kinetic energy of electron and photon will be—

A. `1:4`

B. `1:2`

C. `1:1`

D. `2:1`

Text Solution

Verified by Experts

Topper's Solved these Questions

MODEL PAPER SET-02
UNITED BOOK HOUSE|Exercise EXERCISE|55 Videos
MODEL PAPER SET-04
UNITED BOOK HOUSE|Exercise EXERCISE|39 Videos

Similar Questions

Explore conceptually related problems

The de Broglie wavelength of an electron moving with a velocity c/2 (c =velocity of light in vacuum) is equal to the wavelength of a photon. The ratio of the kinetic energies of electron and photon is

The de Broglie wavelength of a moving electron is 1 Å . What is its velocity?

The de Broglie wavelength of an electron is the same as that 50 keV X-ray photon. The ratio of the energy of the photon to the kinetic energy of the electron is (the energy equivalent of electron mass is 0.5 MeV)

Calculate the de Broglie wavelength of an electron of kinetic energy 500 eV.

The de Broglie wavelength of an electron is the same as that of a 50 keV X-ray photon. The ratio of the energy of the photon to the kinetic energy of the electron is the energy equivalent of electron mass is 0.5 MeV)

The wavelength lamda of a photon and the de Broglie wavelength of an electron have the same value. Show that the energy of the photon is (2 lamda mc)/(h) times of the kinetic energy of the electron. Here m, c and h have their usual meaning.

If wavelength (lamda) of a photon and de Broglie wavelength of an electron are same, then show that the energy of the photon is (2 lamda mc)/(h) times the kinetic energy of the electron. Here, m, c and h have their usual meanings

The de Broglie wavelength of a proton and an electron are same, then what is the relation between their kinetic energies?

Find the velocity of an electron so that its momentum is equal to that of a photon of wavelength 650 nm.

The wavelength of photon of lambda is equal to the de-Broglie wave length of electron. Show that energy of photon =2lambdamc/hxx kinetic energy of electron .

UNITED BOOK HOUSE-MODEL PAPER SET-03-EXERCISE

A convex lens of focal lengths 30 cm produces 5 times magnified real ...
Text Solution
|
If the focal length of the eye piece of a telescope is doubled, its ma...
Text Solution
|
The de Broglie wave length of an electron of velocity 1.5×10^8 m/s is ...
Text Solution
|
Write the variation of magnetic moment of an electron revolving in Boh...
Text Solution
|
Which of the following is not a semiconductor?
Text Solution
|
The length of a dipole antenna for the carrier wave of frequency 3 xx ...
Text Solution
|
What is meant by the angle of dip 31^@N of Kolkata ?
Text Solution
|
State Lenz’s law.
Text Solution
|
An alternating current having peak value 141 A is used to heat,a metal...
Text Solution
|
What is dispersive power?
Text Solution
|
A house hold circuit has a fuse of 5 A rating. Calculate the maximum n...
Text Solution
|
Write the Wheatstone bridge principle.
Text Solution
|
Mention two differences Between magnetic lines of force and electric l...
Text Solution
|
A charged particle is found to move in a straight line through some r...
Text Solution
|
Mention two characteristics of electromagnetic waves.
Text Solution
|
The radioactive decay constant is 4.28 xx 10^-4 year^-1. What is the h...
Text Solution
|
Explain why sky waves ate suitable for long range communication.
Text Solution
|
What is surface charge density?
Text Solution
|
Two particles each carrying a charge of 2 xx 10^-8 C and connected by ...
Text Solution
|
The surface charge density of an infinite charged sheet is 10^-7 Cm^-2...
Text Solution
|