The scientist according to whom the velocity of light is more in rarer medium is1. Newton2. Huygen's3. Planck4. Maxwell
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The scientist according to whom the velocity of light is more in denser medium, is1. Maxwell2. Newton3. Huygen's4. Planck
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The light incident on the water waves in a ripple tank is converged by1. Troughs2. Crests3. Compressions4. Rarefactions
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The light incident on the water waves in a ripple tank is diverged by1. Crests2. Troughs3. Crests and Troughs4. None of these
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The troughs of water waves in a a ripple tank produces1. Coloured bands2. Dark bands3. Bright bands4. None of these
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The crests of water waves in a ripple tank produces1. Dark bands2. Bright bands3. Coloured bands4. None of these
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The trough of water wave in a ripple tank acts as1. Convex lens2. Convex mirror3. Concave mirror4. Concave lens
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The crest of water wave in a ripple tank acts as1. Concave mirror2. Convex lens3. Convex mirror4. Concave lens
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Every point of a wavefront behaves as a source of small secondary wavelets. The tangential surface drawn to these secondary wavelets, is1. Path of a light ray2. New wavefront3. Both of these4. None of these