MCQ
The image formed by a concave mirror:
- AIs always real.
- BIs always virtual.
- ✓Is certainly real if the object is virtual.
- DIs certainly virtual if the object is real.
|
Object
|
Image
|
|
$O_1$
|
$I_1$
|
|
$O_2$
|
$I_2$
|
|
$O_3$
|
$I_3$
|
|
$O_4$
|
$I_4$
|

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