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Q2. MULTIPLE CHOICE QUESTION.1.A plane mirror produces a a) virtual inverted image b) virtual erect image.c) real erect image d) virtual, real erect image depending on the distanceof the object from the mirror2. Friction can be increased bya)using ball bearings between the two surfaces b) lubricating the surfacesc) making the surfaces rough d) using streamlined shapes.3.Tyres of heavy vehicle are broad so that:a) friction with theground increases b) pressure on the ground increasesc) friction with the ground decreases d) pressure with the ground decreases |
Answer» 1 VIRTUAL, real ERECT image depending onthe distance of the object from the mirror2 making the SURFACE rough3 pressure with the GROUND decreasesExplanation: hope it helped ✌ |
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