Q4. The centre of a sphere of which the reflecting surface of a spherical mirror is a part is called ……………….. A B Centre of Radius of Curvature curvature C D Aperture Pole
Q4. The centre of a sphere of which the reflecting surface of a spherical mirror is a part is called ……………….. A B Centre of Radius of Curvature curvature C D Aperture Pole
Q5. In the case of concave mirror centre of curvature lies in ………… of the reflecting surface A B Boundary Behind C D In front None of the above
Q5. In the case of concave mirror centre of curvature lies in ………… of the reflecting surface A B Boundary Behind C D In front None of the above
Q6. Midpoint of the aperture of a mirror is called ……..
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