Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Medical
  • A layer of oil thick is floating on a layer of coloured water <img alt="5 \mathrm{~cm}" s

A layer of oil 3 \mathrm{~cm} thick is floating on a layer of coloured water 5 \mathrm{~cm} thick. Refractive index of coloured water is 5/3 and the apparent depth of the two liquids appears to be 36 / 7 \mathrm{~cm}. Find the refractive index of oil.

Option: 1

1.2


Option: 2

1.3


Option: 3

 1.4


Option: 4

1.5


Answers (1)

best_answer

Apparent depth (\mathrm{AI})=\frac{\mathrm{t}_{1}}{\mu_{1}}+\frac{\mathrm{t}_{2}}{\mu_{2}}

\therefore \frac{36}{7}=\frac{5}{5 / 3}+\frac{3}{\mu_{2}}

\therefore \frac{3}{\mu_{2}}=\frac{36}{7}-3=\frac{15}{7}

\therefore \mu_{2}=\frac{7}{5}=1.4

Posted by

Devendra Khairwa

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks

Similar Questions

Trending Articles/News

anam-khan

NTA Overhaul: 1,000 secure exam centres, biometrics to prevent fraud, question paper changes, suggests panel
anam-khan

NEET syllabus 2025 out; NMC uploads subject-wise topics
anam-khan

What changes in NEET UG? Experts’ panel suggests multi-stage exam, security overhaul, simpler process to NTA

Latest Question