Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
Home  >>  EAMCET  >>  Physics
0 votes

The refractive index of a material of a plano concave lens is $\large\frac{5}{3}$, the radius of curvature is $0.3\;m$. The focal length of the lens in air is

\[\begin {array} {1 1} (1)\;-0.45\;m & \quad (2)\;-0.6\;m \\ (3)\;-0.75\;m & \quad (4)\;-1.0\;m \end {array}\]
Can you answer this question?

1 Answer

0 votes
(1) -0.45 m
answered Nov 7, 2013 by pady_1

Related questions

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