The rays are parallel to the principal azis of a spherical mirror actually meet at a point 20cm distant from its pole.Identify the mirror and give its focal length.PLSS ANS THIS QUE
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Hi.
The mirror is concave mirror and its focal length is -20cm because only in concave mirror the rays actually intersects and when the rays are parallel they meet at the focus. hence the focal length is -20cm..
Hope this helps u!
The mirror is concave mirror and its focal length is -20cm because only in concave mirror the rays actually intersects and when the rays are parallel they meet at the focus. hence the focal length is -20cm..
Hope this helps u!
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The mirror is concave and it's focal length is 20 cm.
Hope this helps ..
If u like my answer then plse mark it the brainliest :)
Hope this helps ..
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