Consider the following statement(s):
$\mathrm{I}$. Compound microscope has an objective lens with a very short focal length.
$\mathrm{II}$. Simple microscope is of a strong converging lens system.
$\mathrm{III}$. Television camera converts the optical image into electrical video signals.
$\mathrm{IV}$. Hypermetropia is corrected by using a diverging lens.
Which of the statement(s) given above is/are correct?
$\mathrm{II}$. Simple microscope is of a strong converging lens system.
$\mathrm{III}$. Television camera converts the optical image into electrical video signals.
$\mathrm{IV}$. Hypermetropia is corrected by using a diverging lens.
Important Questions on Optics
Consider the following statement(s):
$\mathrm{I}$. The focal length of the objective of a microscope is less than the focal length of the eyepiece.
$\mathrm{II}$. The minimum distance between an object and its real image formed by a convex lens of focal length is equal to .
Which of the statement(s) given above is/are correct?
Statement $\mathrm{I}$: Convex mirror is used as a driver mirror.
Statement $\mathrm{II}$: Images formed by a convex mirror are diminished in size.
To obtain the powerful parallel beams of light from a vehicle's headlight, one must use,
A refracting telescope consists of
