GENERAL KNOWLEDGE

Detailed explanation-1: -As the object moves towards the mirror the image location moves further away from the mirror and the image size grows (but the image is still inverted). When the object is that the focal point, the image is at infinity.

Detailed explanation-2: -In a concave lens, when the object is positioned at infinity, the image is made at the lens’s focus, and if the object travels closer to the concave lens, the image is also transferred from its focus toward the lens size rise.

Detailed explanation-3: -If the image formed by a concave mirror is virtual, erect and larger than the object, the position of the object should be between the pole of the mirror and its principal focus.

Detailed explanation-4: -<br> (b) When the object is brought from infinity closer to a convex lens, the image size increases, after a certain position, the image size is magnified when compared to the size of the object. Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

Detailed explanation-5: -As the object is brought nearer to the vertex of a mirror it is found that the image also moves towards the vertex.