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# Young's Double Slit Experiment - 2 Video Lecture - Physics Class 12 - NEET

## Physics Class 12

154 videos|444 docs|185 tests

## FAQs on Young's Double Slit Experiment - 2 Video Lecture - Physics Class 12 - NEET

 1. What is Young's double slit experiment?
Ans. Young's double slit experiment is a famous physics experiment that demonstrates the wave-particle duality of light. It involves shining a beam of light through two closely spaced slits onto a screen, creating an interference pattern of alternating bright and dark regions. This pattern suggests that light behaves both as a wave and as a stream of particles called photons.
 2. How does Young's double slit experiment prove the wave-particle duality?
Ans. Young's double slit experiment proves the wave-particle duality by showing that light exhibits interference patterns, which can only be explained by the wave nature of light. When light passes through the two slits, it diffracts and creates overlapping waves that interfere with each other. This interference produces a pattern on the screen with bright and dark regions. On the other hand, the detection of individual photons hitting the screen indicates the particle nature of light. The experiment demonstrates that light can exhibit both wave-like and particle-like behavior.
 3. What happens to the interference pattern if the distance between the slits is increased?
Ans. If the distance between the slits in Young's double slit experiment is increased, the interference pattern on the screen will change. The pattern will become wider, with the bright fringes getting farther apart. This happens because increasing the distance between the slits increases the angle at which the waves from each slit reach the screen. Consequently, the path difference between the waves also increases, leading to a wider interference pattern.
 4. Can Young's double slit experiment be performed with other particles besides light?
Ans. Yes, Young's double slit experiment can be performed with other particles besides light. In fact, it has been successfully conducted using electrons, neutrons, and even large molecules such as buckyballs. The experiment demonstrates that particles also exhibit wave-like behavior, similar to light. This phenomenon is known as wave-particle duality and is a fundamental concept in quantum mechanics.
 5. What is the significance of Young's double slit experiment in the field of physics?
Ans. Young's double slit experiment is of great significance in the field of physics as it provides evidence for the wave-particle duality of light and other particles. It challenges the classical understanding of particles as purely localized objects and introduces the concept that particles can also exhibit wave-like properties. This experiment played a crucial role in the development of quantum mechanics, revolutionizing our understanding of the fundamental nature of matter and energy.

## Physics Class 12

154 videos|444 docs|185 tests

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