MCQ
Myopia is due to
- ✓Elongation of eye ball
- BIrregular change in focal length
- CShortening of eye ball
- DOlder age
✓
Answer
Correct option: A.
Elongation of eye ball
a
(a) In myopia, eye ball may be elongated so, light rays focussed before the retina.
(a) In myopia, eye ball may be elongated so, light rays focussed before 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.
Explore more
Similar questions
If a charge $q$ is placed at the centre of a closed hemispherical non-conducting surface, the total flux passing through the flat surface would be
→A proton and a deutron both having the same kinetic energy, enter perpendicularly into a uniform magnetic field B. For motion of proton and deutron on circular path of radius $R_p$ and $R_d$ respectively, the correct statement is
→In the given figure the steady state current $I$ is ................. $\mathrm{A}$
→In $YDSE$, a thin film $(\mu=1.6)$ of thickness $0.01 \,mm$ is introduced in the path of one of the two interfering beams. The central fringe moves to a position occupied by the $10^{\text {th }}$ bright fringe earlier. The wave length of wave is ......... $\mathring A$
→In a series $LCR$ circuit, operated with an $ac$ of angular frequency $\omega $, the total impedance is
→A person sitting firmly over a rotating stool has his arms stretched. If he folds his arms, his angular momentum about the axis of rotation :
In frequency modulation
The $n-$side of the depletion layer of a $p-n$ junction.
→Two unequal resistors are connected in series across a battery. Then the:
Light of wavelength $\lambda$ in air enters a medium of refractive index $\mu$ . Two points in this medium, lying along the path of this light, are at a distance $x$ apart. The phase difference between these points is :
→