MCQ
The image which can be obtained on a screen is called:
- AA virtual image
- BA real image
- CEither a real or a virtual image
- DNeither a real nor a virtual image
The image which can be obtained on a screen is called:
Explanation:
The image which can be obtained on a screen is called a real image.
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For an isotropic medium B, m, H and M are related as (where B, and M have their usual meaning in the context of magnetic material
|
(a) (B – M) = |
(b) |
(c) |
(d) |

A square coil
area is placed perpendicular to a uniform magnetic field of intensity
. The magnetic flux through the coil is
|
(a) 10 weber |
(b) |
(c) |
(d) 100 weber |
If the speed of light in vacuum is C m/sec, then the velocity of light in a medium of refractive index 1.5
|
(a) Is 1.5 × C |
(b) Is C |
|
(c) Is |
(d) Can have any velocity |