MHT CET Physics question

To prepare polaroid, microscopic crystals of herapathite are embedded in:

(A)Cellulose
(B)cellulose acetateCorrect
(C)polyvinyl alcohol
(D)hydrochloric acid

Answer: (B)

Solution

In Land's polaroid the microscopic herapathite crystals are embedded in a transparent cellulose-type (cellulose acetate/nitrocellulose) film; plain cellulose is not a

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Question ID VK-077083