Question

focal length of concave mirror is always positive true or false
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Answer 1

the focal length, is positive for a concave mirror, and negative for a convex mirror. When the image distance is positive, the image is on the same side of the mirror as the object, and it is real and inverted.

${ \huge\rm \pink {H}\rm \blue {A} \rm \purple {N}\ \rm \green{J} \rm\red {U}\ \rm \orange {H} \rm{U} \rm \gray{I}}$

Answer 2

focal length of concave mirror is always positive i think.