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of light. Draw a line at 20° to the normal. Position a plane mirror carefully along AB. Record the angle of incidence close i in a suitable table. Use 2 pencil Xs to mark the position of the reflected ...
Position a plane mirror carefully along AB. Record the angle of incidence close i in a suitable table. Use 2 pencil Xs to mark the position of the reflected ray. Take away the mirror and join ...
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