How can you find focal length of concave mirror without touching ?
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Answer:If u look at convex mirror , ur image size will be always small and erect. If u look into Concave mirror , u can see an enlarged image when placed close and an inverted image .
Explanation:
Answered by
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Explanation:
If the given mirror is held near the face and the image is observed.
- Plane mirror - If image is upright, of same size and it does not change in size by moving the mirror towards or away from the face.
- Concave mirror - If image is upright and of bigger size and increases in size on moving the mirror away.
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