(B) . Interference is the phenomenon resulting from the superposition of waves originating from two distinct,coherent sources. Diffraction is the phen

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Diffraction is due to interaction of light from the same wave-front whereas interference is the interaction of waves from two isolated sources

(B) . Interference is the phenomenon resulting from the superposition of waves originating from two distinct,coherent sources. Diffraction is the phenomenon resulting from the superposition of secondary wavelets originating from different parts of the same wavefront as they pass through an aperture or around an obstacle.

Class 12 Physics Wave Optics Single Slit Diffraction of Light

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The main difference in the phenomenon of interference and diffraction in light waves is that

A
Diffraction is due to interaction of light from same wavefront,whereas the interference is the interaction of two waves derived from the same source
B
Diffraction is due to interaction of light from the same wave-front whereas interference is the interaction of waves from two isolated sources
C
Diffraction is due to interaction of waves derived from the same source,whereas the interference is the bending of light from the same wavefront
D
Diffraction is caused by reflected waves from a source whereas interference is caused due to refraction of waves from a surface

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Wave Optics

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Single Slit Diffraction of Light

$A$ slit of size '$a$' is illuminated by a parallel beam of light of wavelength $\lambda$. The angle at which this light is diffracted is approximately . . . . . . .

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In an experiment,electrons are passed through a narrow slit of width $d$ equal to their de Broglie wavelength. They are detected on a screen at a distance $D$ from the slit. Which of the following graphs represents the number of electrons $N$ detected as a function of the detector position $y$ ($y = 0$ corresponds to the middle of the slit)?

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Write the condition of $n^{th}$ order maximum in diffraction.

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Assertion : Standard optical diffraction gratings cannot be used for discriminating between $X-$ray wavelengths.
Reason : The grating spacing is not of the order of $X-$ray wavelengths.

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$A$ slit of size $0.15 \ cm$ is placed at $2.1 \ m$ from a screen. On illuminating it by a light of wavelength $5 \times 10^{-5} \ cm$,the width of the central maxima will be:

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The main difference in the phenomenon of interference and diffraction in light waves is that

Similar Questions

$A$ slit of size '$a$' is illuminated by a parallel beam of light of wavelength $\lambda$. The angle at which this light is diffracted is approximately . . . . . . .

Write the condition of $n^{th}$ order maximum in diffraction.

Assertion : Standard optical diffraction gratings cannot be used for discriminating between $X-$ray wavelengths.Reason : The grating spacing is not of the order of $X-$ray wavelengths.

$A$ slit of size $0.15 \ cm$ is placed at $2.1 \ m$ from a screen. On illuminating it by a light of wavelength $5 \times 10^{-5} \ cm$,the width of the central maxima will be:

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Assertion : Standard optical diffraction gratings cannot be used for discriminating between $X-$ray wavelengths.
Reason : The grating spacing is not of the order of $X-$ray wavelengths.