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Modern Physics Module-1 Question Bank Quiz

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Modern Physics Module-1 Question Bank Quiz

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Questions and Answers

What experimental evidence conclusively established the particle behavior of light?

Interference patterns

The photoelectric effect (correct)

Diffraction patterns

Polarization of light

Which phenomena provide exclusive evidence for the wave behavior of light?

Polarization and Compton scattering

Interference and diffraction (correct)

The photoelectric effect

Compton scattering

In what way does light exhibit wave-particle duality?

As a collection of particles in all phenomena

As a continuous wave in some phenomena and as a flux of particles in others

As a continuous wave in all phenomena

As an advancing wave in some phenomena and as a flux of particles in others (correct)

What did de-Broglie's hypothesis propose about the nature of radiation?

<p>Radiation, which is basically a wave, can exhibit particle nature under certain circumstances</p> Signup and view all the answers

What is the key idea behind de-Broglie's hypothesis?

<p>Nature likes symmetry, so if particles can exhibit wave nature, then waves can exhibit particle nature</p> Signup and view all the answers

Study Notes

Experimental Evidence for Particle Behavior of Light

The conclusive experimental evidence was provided by Albert Einstein's photoelectric effect experiment in 1905, which showed that light can behave as particles (photons) under certain conditions.

Exclusive Evidence for Wave Behavior of Light

The phenomena that provide exclusive evidence for the wave behavior of light include:
- Interference (e.g., Young's double-slit experiment)
- Diffraction
- Superposition

Light's Wave-Particle Duality

Light exhibits wave-particle duality, meaning it can exhibit both wave-like and particle-like behavior depending on how it is observed.

de-Broglie's Hypothesis

In 1924, Louis de Broglie proposed that all radiation, including light, can exhibit wave-like behavior.
The key idea behind de Broglie's hypothesis is that particles, such as electrons, can exhibit wave-like behavior, and vice versa.

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Description

Test your knowledge of modern physics with this question bank focusing on Module-1. Explore concepts such as the dual nature of radiation, including the photoelectric effect and Compton scattering. This quiz provides answers and explanations to help deepen your understanding of these fundamental principles.