Physics The cover of a solar cooker is made of glass because It reflects sun's rays It rediates heat better than metals It absorbs sun's rays It retains the heat inside by the green house effect It reflects sun's rays It rediates heat better than metals It absorbs sun's rays It retains the heat inside by the green house effect ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is the greatest in : Air Glass Glycerine Water Air Glass Glycerine Water ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : To convert kinetic friction into rolling friction To increase friction To convert static friction into kinetic friction Just for convenience To convert kinetic friction into rolling friction To increase friction To convert static friction into kinetic friction Just for convenience ANSWER DOWNLOAD EXAMIANS APP
Physics What is the process of conversion of solid state directly to gaseous state called? Condensation Distillation Sublimation Evaporation Condensation Distillation Sublimation Evaporation ANSWER DOWNLOAD EXAMIANS APP
Physics Magnifying Glass is basically a Cylindrical lens Convex lens Plano-concave lens Concave lens Cylindrical lens Convex lens Plano-concave lens Concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics What is colour of light related to ? Amplitude Frequency Velocity Quality Amplitude Frequency Velocity Quality ANSWER DOWNLOAD EXAMIANS APP
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