Dual Nature of Matter and Radiation questions
494 published questions with worked solutions.
- Select wrong statement about the Davisson Germer experiment
- Approximate value of wavelength of electron waves in Davisson experiment at maximum diffraction is
- A particle A moving with a certain velocity has a de-Broglie wavelength of 1 Å. If particle B has mass 25% of that of A and...
- For the de-Broglie wavelength of 10^ -17 metre, momentum of a particle will be
- The de-Broglie wavelength of an electron is 66 nm. The velocity of the electron is [h=6.6 10^ -34 kg ,m^2 ,s^ -1 , m=9.0 10^ -31...
- A helium atom at 300 K is moving with a velocity of 2.40 10^ 2 m ,s^ -1 . The de-Broglie wavelength is about [At wt. of He = 4.0]
- An electron is having a kinetic energy of 50 eV. Its de-Broglie wavelength is
- The fact that photons carry energy was established by [ISM Dhanbad 1994]
- If an electron has an energy such that its de Broglie wavelength is 5500 Å, then the energy value of that electron is [EAMCET...
- If the kinetic energy of the particle is increased to 16 times its previous value, the percentage change in the de-Broglie...
- A body of mass 100 g moves at the speed of 36 km/hr. The de Broglie wavelength related to it is of the order _____ m (h=6.626 10^...
- If the kinetic energy of free electron is made double, the new de Broglie wavelength will be _____ times that of initial wave...
- What is the de Broglie wavelength of the electron accelerated through a potential difference of 100 volt? [K CET 2014]
- Find the de-Broglie wavelength of an electron with kinetic energy of 120 eV
- If an electron has an energy such that its de Broglie wavelength is 5500 Å, then the energy value of that electron is [EAMCET...
- In Davisson-Germer experiment the decrease of the wavelength of the electron wave was done by [EAMCET (Med.) 2015]
- The radiation corresponding to 3 2 transition of hydrogen atoms falls on a metal surface to produce photoelectrons. These...
- What amount of energy should be added to an electron to reduce its de-Broglie wavelength from 200 pm to 100 pm?
- If the electron in hydrogen atom jumps from second Bohr orbit to ground state and difference between energies of the two states...
- For a photodiode, the forbidden energy gap (E_g) of the material used is 2.8 eV and wavelength of radiations ( ) incident on it...
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