MCQ
A person finds difficulty in seeing nearby objects clearly. His vision can be corrected by using spectacles containing:
  • Converging lenses.
  • B
    Diverging lenses.
  • C
    Prismatic lenses.
  • D
    Chromatic lenses.

Answer

Correct option: A.
Converging lenses.
Converging lenses are used to correct the defect of vision and enable the person to see nearby objects clearly.

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

Image forming light sensitive screen of the eye is known as $...........$ and it contains $............. ?$
The poisonous gas which reduces the oxygen$-$carrying capacity of blood to a large extent is:
Following are certain reflex actions occurring in our body.
  • Moving to the side of road when a speeding car approaches.
  • Closing of eyes in response to a sudden bright light.
  • Shouting when we are suddenly disturbed or get scared.
  • Withdrawing hands on touching a hot surface. The reflex is given below, will be occurring for.
Receptors $($sense organs$)\ \xrightarrow[\text{Neurons}]{\text{Sensory}}\text{Spinal cord}\xrightarrow[\text{Neurons}]{\text{Motor}}$ targets/ effectors.
A metal $'M\ '$ reacts with an acid according to the equation. $\text{M}+\text{H}^+\rightarrow\text{M}^{3+}+\text{H}_2$
Which of the following is correct for metal $M?$
A student has traced the path of a ray of light through a glass slab as follows. If you are asked to label $\{1, 2, 3\}$ and $4,$ the correct sequencing of labeling $\angle\text{i}, \angle\text{e}, \angle\text{r}$ and lateral displacement respectively is
In a nuclear power plant, coolant is a substance :
A thick plane $-$ convex lens made of crown glass $($refractive index $1.5)$ has thickness of $3\ cm$ at its centre.

An ink mark made at the centre of its plane face, when viewed normal through the curved face, appears to be at a distance $x$ from the curved face. Then $, x$ is equal to:
Choose a displacement reaction:
The atomic number of an element $X$ is $16.$ The symbol of ion formed by an atom of this element will be:
The $SI$ unit of energy is :