HARD
12th Odisha Board
IMPORTANT
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Neglecting variation of mass with velocity, the wavelength associated with an electron having kinetic energy E is proportional to:

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Important Questions on Atomic Physics

HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 27
From the following, moving with the same velocity, the one which has the largest wavelength:
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 28
The energy of a photon is 10 eV, the momentum of photon is :
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 29
The energy of a photon corresponding to the visible light of a maximum wavelength is approximate.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 30
A proton and an alpha particles are accelerated through potential difference. The ratio of their de Broglie wavelength:
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 31
If Planck's constant is larger than its present value, the de Broglie associated with the material particle would have been:
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 32
When electrons are accelerated through a potential difference of V volt, the associated wavelength is given by:
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 33
A material particle with rest mass m0 moving with the speed of light c. The de Broglie wavelength associated with it is given by:
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 16 - Atomic Physics>MODEL QUESTIONS>Q 34
A particle of mass 10-31 kg is moving with the velocity of 105m/s. The wavelength of the particle is: