Question
Write the formula for refraction on a spherical surface.
✓
Answer
$\frac{n_2}{v}-\frac{n_1}{u}=\frac{n_2-n_1}{ R }$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Give the direction in which induced current flows in the wire loop, when the magnet moves towards the loop as shown.
Does a solid also have two kinds of molar heat capacities $C_P$ and $C_v$ ? If yes, do we have $C_P>C_v$ ? Is $C_P-C_v=R$ ?
→Define the impact parameter.
A fan with copper winding in its motor consumes less power as compared to an otherwise similar fan aluminium winding. Explain.
If $\vec{\text{A}}=2\vec{\text{i}}+3\vec{\text{j}}+4\vec{\text{k}}$ and $\vec{\text{B}}=4\vec{\text{i}}+3\vec{\text{j}}+2\vec{\text{k}},$ find $\vec{\text{A}}\times\vec{\text{B}}.$
→By what speed do electromagnetic waves travel in vacuum?
Define the term electric dipole moment. Is it a scalar or a vector quantity?
Name the part of the electromagnetic spectrum of wavelength $10^{-2} \mathrm{~m}$ and mention its one application.
→Are Kirchhoff's laws applicable on both AC and DC circuits?
To observe the photoelectric effect, the frequency of incident light should be greater than which frequency?