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Question 46 - Solutions - CBSE Class 10 Sample Paper for 2022 Boards - Science [MCQ] - Solutions to CBSE Sample Paper - Science Class 10

Last updated at Dec. 16, 2024 by Teachoo

The refractive index of flint glass is 1.65 and that for alcohol is 1.36 with respect to air. What is the refractive index of the flint glass with respect to alcohol ? 

(A) 0.82 

(B) 1.21 

(C) 1.11 

(D) 1.01

 

Answer -

 

Transcript

Question 46 The refractive index of flint glass is 1.65 and that for alcohol is 1.36 with respect to air. What is the refractive index of the flint glass with respect to alcohol ? (A) 0.82 (B) 1.21 (C) 1.11 (D) 1.01 Given, Refractive index of flint glass w.r.t air = 1.65 Refractive index of alcohol w.r.t air = 1.36 Now, Refractive index of flint glass w.r.t alcohol = (𝑅𝑒𝑓𝑙𝑎𝑐𝑡𝑖𝑣𝑒 𝑖𝑛𝑑𝑒𝑥 𝑜𝑓 𝑓𝑙𝑖𝑛𝑡 𝑔𝑙𝑎𝑠𝑠 𝑤.𝑟.𝑡 𝑎𝑖𝑟)/(𝑅𝑒𝑓𝑙𝑎𝑐𝑡𝑖𝑣𝑒 𝑖𝑛𝑑𝑒𝑥 𝑜𝑓 𝑎𝑙𝑐𝑜ℎ𝑜𝑙 𝑤.𝑟.𝑡 𝑎𝑖𝑟) = (𝟏.𝟔𝟓)/(𝟏.𝟑𝟔) = 165/136 = 1.21 So, the correct answer is (B)
  1. Class 10
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Solutions - CBSE Class 10 Sample Paper for 2022 Boards - Science [MCQ]

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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo