A person using a lens as a simple microscope sees an:
- AInverted virtual image
- BInverted real magnified image
- CUpright virtual image
- DUpright real magnified image
A person using a lens as a simple microscope sees an:
Explanation:
A simple microscope is just a convex lens with object lying between optical centre and focus of the lens.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

In the above question, potential difference across the 40Ω resistance will be
|
(a) Zero |
(b) 80 V |
(c) 40 V |
(d) 120 V |
Which arrangement of four identical resistances should be used to draw maximum energy from a cell of voltage V
|
(a)
|
(b)
|
|
(c)
|
(d)
|
In order to forward bias a PN junction, the negative terminal of battery is connected to
|
(a) P–side |
(b) Either P–side or N–side |
|
(c) N–side |
(d) None of these |
The insulated spheres of radii
and
having charges
and
respectively are connected to each other. There is
|
(a) No change in the energy of the system |
|
(b) An increase in the energy of the system |
|
(c) Always a decrease in the energy of the system |
|
(d) A decrease in the energy of the system unless |