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Everyday Science MCQs
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3411.A mirror which has a reflecting surface that curves inwards like the front side of the spoon is called ____?
3412.Kaleidoscope operates on the principle of multiple reflections, where several mirrors are placed at an angel to one another ____?
3413.A Periscope uses two plane mirrors one above the other at ____?
3414.When parallel rays of light fall onto rough surface they are reflected in different directions and are scattered is called _____?
3415.When a parallel beam of light rays strikes a smooth surface like mirrors, it will be reflected as parallel rays of light is called?
3416.A movable pulley is used as ______?
3417.Light travelling in a straight line ______ when it strikes the surface of another medium.
3418.Which of the following is an example of wheel and axle?
3419.Which of the following use movable pulleys?
3420.A movable pulley can _______?