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Physics - Wave Optics Question with Solution | TestHub

PhysicsWave OpticsYDSEMedium2 minPYQ_2023

PhysicsMediumsingle choice

Light of wavelength ' $λ$ ' is incident on a slit of width 'd'. The resulting diffraction pattern is observed on a screen at a distance 'D'. The linear width of the principal maximum is then equal to the width of the slit if $D$ equals

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Solution:

In diffraction of light by single slit, the width of central maximum is given as $W_{c} = \frac{2 λ D}{d}$ Given: $W_{c} = d$ $∴ d = \frac{2 λ D}{d} \Rightarrow D = \frac{d ^{2}}{2 λ}$

Stream:MHT_CETSubject:PhysicsTopic:Wave OpticsSubtopic:YDSE

⏱ 2mℹ️ Source: PYQ_2023

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