Exercises T'S UNDERSTAND ORDER Objective type questions A. Fill in the blanks with the correct words. 1. "Rectilinear propagation of light' means light travels in (rectangles/ straight lines). 2. A bumpy, rough surface is also referred to as a (diffused/irregular) surface. 3. A convex mirror can only form (real/virtual) images. Light
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1. straight line
2. irregular
3. virtual
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