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In interference experiment, by keeping all other parameters constant, if you see the thin film interference from different angles, you will observe (a)Uniform illumination of screen (b) Uniform darkness on the screen (c) Equally spaced dark and white bands (d) Few colored bands and then general illumination

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In interference experiment, by keeping all other parameters constant, if  you see the thin film interference from different angles, you will observe  (a)Uniform illumination of screen  
(b) Uniform darkness on the screen  
(c) Equally spaced dark and white bands  
(d) Few colored bands and then general illumination
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(d) Few colored bands and then general illumination
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