The human eye has a lens which has a - Vidyadip

MCQ

The human eye has a lens which has a

A
Soft portion at its centre
B
Hard surface
✓
Varying refractive index
D
Constant refractive index

✓

Answer

Correct option: C.

Varying refractive index

c
( c)

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 "M.C.Q (1 Marks)" from 9. Ray optics abd optical instruments→9. Ray optics abd optical instruments — all question types→Physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

The capacity of a parallel plate condenser is 10μF without dielectric. Dielectric of constant 2 is used to fill half the distance between the plates, the new capacitance in μF is

A solenoid is at potential difference 60 V and current flows through it is 15 ampere, then the resistance of coil will be

A small bar magnet A oscillates in a horizontal plane with a period $T$ at a place where the angle of dip is $60^o$. When the same needle is made to oscillate in a vertical plane coinciding with the magnetic meridian, its period will be

Two periodic waves of amplitudes $A_1$ and $A_2$ pass through a region. If $A_1>A_2$, the difference in the maximum and minimum resultant amplitude possible is:

The ratio of coulomb's electrostatic force to the gravitational force between an electron and a proton separated by some distance is $2.4 \times 10^{39}$. The ratio of the proportionality constant, $K=\frac{1}{4 \pi \varepsilon_0}$ to the Gravitational constant $G$ is nearly (Given that the charge of the proton and electron each $=1.6 \times 10^{-19}\; C$, the mass of the electron $=9.11 \times 10^{-31}\; kg$, the mass of the proton $=1.67 \times 10^{-27}\,kg$ ):

The dispersive power of the material of lens of focal length $20 cm$ is $0.08.$ The longitudinal chromatic aberration of the lens is......$cm$

When cathode rays strike a metal target of high melting point with very high velocity, then

When light wave suffers reflection at the interface from air to glass, the change in phase of the reflected wave is equal to

If the red light is replaced by blue light illuminating the object in a microscope the resolving power of the microscope

The radius of a soap bubble whose potential is $16\,V$ is doubled. The new potential of the bubble will be.....$V$