The minimum distance between the object and its real image for concave mirror is |
|||||||
a) |
|
b) |
2 |
c) |
4 |
d) |
Zero |
The minimum distance between the object and its real image for concave mirror is |
|||||||
a) |
|
b) |
2 |
c) |
4 |
d) |
Zero |
(d) When object is kept at centre of curvature. It’s real image is also formed at centre of curvature |
In Huygen’s eyepiece
a) |
The cross wires are outside the eyepiece |
b) |
Condition for achromatism is satisfied |
c) |
Condition for minimum spherical aberration is not satisfied |
d) |
The image formed by the objective is a virtual image |
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