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Chemistry · 2017
JEE Main 2017 · 2017-04-02 Offline · Q34
The Tyndall effect is observed only when following conditions are satisfied: (a) The diameter of the dispersed particles is much smaller than the…
The Tyndall effect is observed only when following conditions are satisfied :
(a)
The diameter of the dispersed particles is much smaller than the wavelength of the light used.
(b)
The diameter of the dispersed particle is not much smaller than the wavelength of the light used.
(c)
The refractive indices of the dispersed phase and dispersion medium are almost similar in magnitude.
(d)
The refractive indices of the dispersed phase and dispersion medium differ greatly in magnitude.
Official answer
(4)
(b) and (d)
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JEE Main 2017 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.