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12th ICSE
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Matter waves

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Important Questions on Matter Waves

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12th ICSE
IMPORTANT
An electron microscope is based on the principle of_____.
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12th ICSE
IMPORTANT
A moving electron has numerical relation λ = h. Then
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12th ICSE
IMPORTANT
If K be the kinetic energy and m the mass of a moving particle then the de Broglie wavelength of the particle is
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12th ICSE
IMPORTANT
The wave nature of the electron was verified by_____.
MEDIUM
12th ICSE
IMPORTANT

In an experiment on photoelectric effect, the slope of the cut-off voltage versus frequency of incident light is found to be 4.12×10-15 V s. Calculate the value of Planck’s constant.

MEDIUM
12th ICSE
IMPORTANT

What is the de Broglie wavelength of a ball of mass 0.060 Kg moving at a speed of 1.0 m/s?

EASY
12th ICSE
IMPORTANT
Write the formula for the wavelength of a matter wave according to de-Broglie hypothesis.
EASY
12th ICSE
IMPORTANT
State the objective of Davisson and Germer experiment.