Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
0 votes

A 2 cm diameter coin rests flat on the bottom of a bowl in which water is 20 cm deep $(\mu_w= \large\frac{4}{3})$. If the coin is viewed directly from above what is its apparently diameter?

$(a)\;2\;cm \\ (b)\;1.5\;cm \\ (c)\;2.67\;cm \\ (d)\;1.67\;cm $

Can you answer this question?

1 Answer

0 votes
For a plane refracting surface, the lateral magnification is 1.
Thus the image of coin will be of same size as coin its effect.
Hence a is the correct answer.
answered Feb 19, 2014 by meena.p

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App