MCQ
The light when enters the human eye experiences most of the refraction while passing through
  • Cornea
  • B
    Aqueous humour
  • C
    Vitrous humour
  • D
    Crystalline lens

Answer

Correct option: A.
Cornea

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 transformer is employed to
The power of a sound from the speaker of a radio is $20 \mathrm{~mW}$. By turning the knob of the volume control, the power of the sound is increased to $400 \mathrm{~mW}$. The power increase in decibels as compared to the original power is
If velocity $v$, acceleration $A$ and force $F$ are chosen as fundamental quantities, then the dimensional formula of angular momentum in terms of $v, A$ and $F$ would be
The phenomenon by which light travels in an optical fibres is
A body of mass $5 \mathrm{~kg}$ moving with a velocity $10 \mathrm{~m} / \mathrm{s}$ collides with another body of the mass $20 \mathrm{~kg}$ at, rest and comes to rest. The velocity of the second body due to collision is
Two solids $A$ and $B$ float in water. It is observed that $A$ floats with $\frac{1}{2}$ of its body immersed in water and $B$ floats with $\frac{1}{4}$ of its volume above the water level. The ratio of the density of $A$ to that of $B$ is
A body of mass $m$ is moving in a circle of radius $r$ with a constant speed $v$. The force on the body is $\frac{m v^2}{r}$ and is directed towards the centre. What is the work done by this force in moving the body over half the circumference of the circle
An object is immersed in a fluid. In order that the object becomes invisible, it should
A circular coil of radius $4\, cm$ and of $20$ $turns$ carries a current of $3$ amperes. It is placed in a magnetic field of intensity of $0.5$ $weber/{m^2}$. The magnetic dipole moment of the coil is.......$ampere - {m^2}$
Least distance of distinct vision is $25 \mathrm{~cm}$. Magnifying power of simple microscope of focal length $5 \mathrm{~cm}$ is