defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Physics Optics Refraction and Reflection
Which one of the following statements is CORRECT for a plane mirror?
1
Its focal length is zero
2
The size of the image of an object placed in front of the mirror is slightly less than that of the object.
3
The image is virtual, erect and laterally inverted
4
Its focal length is 200 cm.