MCQ
Near and far points of a human eye are
  • A
    $0$ and $25\, cm$
  • B
    $0 $ and $\infty$
  • C
    $25\, cm$ and $100 \,cm$
  • $25 \,cm$ and $\infty$

Answer

Correct option: D.
$25 \,cm$ and $\infty$
d
(d) The near point of a human eye is $25 \mathrm{cm}$, which is defined as the shortest object distance that a typical eye is able to accommodate, or to make the image to fall on the retina.

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

There are two coils $A$ and $B$ as shown in figure. No current flows in $B$ if $A$ is at rest. Now the coil $A$ is made to rotate about a vertical axis. At the shown instant $(t = 0)$ what will be the current in coil $A$,  hen the current in $B$ is counterclockwise?
The angular velocity of a wheel is $70\, rad/sec$. If the radius of the wheel is $0.5\, m$, then linear velocity of the wheel is ....... $m/sec$
System shown in figure is in equilibrium and at rest. The spring and string are massless, now the string is cut. The acceleration of mass $2\,m$ and $m$ just after the string is cut will be
On producing the waves of frequency $1000 Hz$ in a Kundt's tube, the total distance between $6$ successive nodes is $ 85 cm.$ Speed of sound in the gas filled in the tube is  ..... $m/s$
For ensuring dissipation of same energy in all three resistors $({R_1},\,{R_2},\,{R_3})$ connected as shown in figure, their values must be related as 
An electron and a proton are at a distance of $1\,{\mathop A\limits^o }$. The moment of this dipole will be $(C × m)$
If radius of first orbit of hydrogen atom is $5.29 \times 10^{-11} \,m$, the radius of fourth orbit will be ......... $\mathring A$
Energy of $1\,g$ uranium is equal to
A stick of length $l$ and mass $M$ lies on a frictionless horizontal surface on which it is free to move in any way. A ball of mass $m$ moving with speed $v$ collides elastically with the stick as shown in the figure. If after the collision ball comes to rest, then what should be the mass of the ball
The earth revolves round the sun in one year. If the distance between them becomes double, the new period of revolution will be