結果 : what is the focal length of a concave mirror of radius of curvature 30 cm
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A concave mirror has radius of curvature of 30 cm. Find its focal length | CLASS 7 | LIGHT | PH...

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The focal length of a spherical mirror of radius of curvature 30 cm is:

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The radius of a curvature of a spherical mirror is 30 cm. Find the focal length of this mirror.

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an object is placed exactly midway between a concavemirror of radius of curvature 40cm.Physics Bala

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