Practice Questions

Light Amplification by Stimulated Emission of Radiation

Light Applied Scientifically to Super Rangers

Concave mirror:<ul style="padding: 0px; margin: 0px; list-style-position: outside; color: rgb(255,255,255);"><li value="1" style="margin: 0px 32px;">In a concave mirror, the outer surface of the sphere is reflecting surface</li><li value="2" style="margin: 0px 32px;">The radius of curvature of a concave mirror is negative.</li><li value="3" style="margin: 0px 32px;">A concave mirror converges all the light rays at a single point.</li><li value="4" style="margin: 0px 32px;">A concave mirror may form a real image or a virtual image depending on the position of the image.</li><li value="5" style="margin: 0px 32px;">Uses : Shaving mirrors, Head mirrors, Ophthalmoscope, Astronomical telescopes, Headlights, Solar furnaces etc.</li></ul> Convex mirror:<ul style="padding: 0px; margin: 0px; list-style-position: outside; color: rgb(255,255,255);"><li value="1" style="margin: 0px 32px;">In a convex mirror, the inner surface of the sphere is a reflecting surface.</li><li value="2" style="margin: 0px 32px;">The radius of curvature of a convex mirror is positive.</li><li value="3" style="margin: 0px 32px;">A convex mirror diverges the light rays falling on it.</li><li value="4" style="margin: 0px 32px;">A convex mirror always forms a virtual image.</li><li value="5" style="margin: 0px 32px;">Uses : When convex mirrors are used, the magnification of objects becomes simple.</li><li value="6" style="margin: 0px 32px;">It is used in sunglasses, rear-view mirror in automobiles, reflector for street lights etc</li></ul>&nbsp;

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