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Young's Double-Slit Experiment

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Questions and Answers

In Young's double-slit experiment, what is required for interference fringes to exist on the screen?

Coherent sources (correct)
Incoherent sources
Different sources
Variable phase difference

What is the pattern obtained on the screen in the double-slit experiment due to?

Absorption of light by the screen
Overlap of wavefronts from different sources
Reflection of light from the screen
Division of the wavefront from the two sources (correct)

What kind of fringes are due to constructive interference in the double-slit experiment?

Bright fringes (correct)
Diffuse fringes
Dark fringes
Incoherent fringes

What principle determines the resultant amplitude in the double-slit experiment?

Principle of superposition (A) Signup and view all the answers

What kind of light is emphasized for use in the double-slit experiment to avoid overlapping interference patterns from different wavelengths?

Monochromatic light (B) Signup and view all the answers

In the double-slit experiment, what is the significance of using monochromatic light?

It minimizes the overlapping interference patterns from different wavelengths (A) Signup and view all the answers

What factor determines the intensity distribution of fringes in the double-slit experiment?

The resultant amplitude of the two coherent sources (C) Signup and view all the answers

What role does coherence play in Young's double-slit experiment?

It ensures the formation of distinct bright and dark fringes (B) Signup and view all the answers

How is the intensity of the interference pattern related to the amplitude of the coherent sources?

Intensity is directly proportional to the square of the amplitude (C) Signup and view all the answers

What feature of the interference pattern indicates constructive or destructive interference?

The brightness or darkness of the fringes (D) Signup and view all the answers