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Wave Optics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsWave Optics1 Mark
Question
If the distance between a point source and screen is doubled, then intensity of light on the screen will become(a) Four times(b) Double(c) Half    (d) One-fourth
       
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Answer

(d) One-fourth

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