Question
A convex lens whose refractive index is $n_2$, immersed in a liquid whose refractive index is $n_1,\left(n_2>n_1\right)$. What will be the difference in the working style?

Answer

This lens will work like a concave lens.

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

Similar questions

A sphere of radius 1.00cm is placed in the path of a parallel beam of light of large aperture. The intensity of the light is 0.5W/cm-2. If the sphere completely absorbs the radiation falling on it, find the force exerted by the light beam on the sphere.
Write expression for speed of electro-magnetic waves in a medium.
On what conservation laws are Kirch off's first and second laws based?
Answer carefully:
We know that electric field is discontinuous across the surface of a charged conductor. Is electric potential also discontinuous there?
An electron is not deflected while passing through a uniform magnetic field. What is the direction of magnetic field?
A magnet of magnetic moment m is first cut perpendicular to its length and then perpendicular to its breadth into n equal parts, then calculate magnetic moment of each part.
Two parallel wires are located very close to each other. The upper wire is fixed and the lower is free. What should be direction of current of suitable magnitude in both wires to stop the free wire? Give reason also.
What is the direction of the electric dipole moment vector quantity?
Frequency of oscillation of electric field vector of any electromagnetic wave is $5 \times 10^{14} Hz$. What is the frequency of oscillation of corresponding magnetic field? To which part of electromagnetic spectrum is it associated?
Write the names of any two compound (organic) semiconductors.###Write the names of any two organic compound semiconductors.