The light reflected by a plane mirror may form a real image
|
(a) If the rays incident on the mirror are diverging |
|
(b) If the rays incident on the mirror are converging |
|
(c) If the object is placed very close to the mirror |
|
(d) Under no circumstances |
(b) If the rays incident on the mirror are converging
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Which of the following pairs is an isobar
|
(a) |
(b) |
(c) |
(d) |
For moving ball of cricket, the correct statement about de-Broglie wavelength is
|
(a) It is not applicable for such big particle |
(b) |
|
(c) |
(d) |
When a piece of a ferromagnetic substance is put in a uniform magnetic field, the flux density inside it is four times the flux density away from the piece. The magnetic permeability of the material is
|
(a) 1 |
(b) 2 |
(c) 3 |
(d) 4 |
