Download App

Optics — Science STD 10 — Question

Tamilnadu BoardEnglish MediumSTD 10ScienceOptics2 Marks
Question
State Snell’s law.
✓

Answer

The ratio of the sine of the angle of incidence and sine of the angle of refraction is equal to the ratio of refractive indices of the two media. This law is also known as Snell's law.
$
\frac{\sin i}{\sin r}=\frac{\mu_2}{\mu_1}
$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[2 Mark Questions]" from Optics→Optics — all question types→Science STD 10 question papers→Tamilnadu Board STD 10 question papers→Tamilnadu Board question paper generator→

Similar questions

State Newton’s law of gravitation. Write an expression for acceleration due to gravity on the surface of the earth. If the ratio of acceleration due to gravity of two heavenly bodies is 1 : 4 and the ratio of their radii is 1 : 3, what will be the ratio of their masses?
→
What is a functional group?
→
The hydrogen ion concentration of a solution is $1.0 \times 10^{-9} m$. What is the $pH$ of the solution? Find out whether the given solution is acidic, basic or neutral.
→
The surroundings above a fire is hotter than the surroundings below the fire. Why?
→
What is the aim of crop improvement?
→
Define the following.
  1. Diffusion
  2. Osmosis
  3. Plasmolysis
→
What is sickle cell anaemia?
→
What is refractive index?
→
Chlorophyll, the green pigment of plants responsible for photosynthesis contain $2.68\%$ of Mg by weight. Calculate the number of magnesium atoms in $20$ g of chlorophyll.
→
A flask P contains 0.5 moles of oxygen gas. Another flask Q contains 0.4 moles of ozone gas. Which of the two flasks contains greater number of oxygen atoms?
→