Physics The unit of measurement of noise is Decibel Amplifier Acoustics Hertz Decibel Amplifier Acoustics Hertz ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following statements is true when we see ''rainbow' ? The Sun remains behind us and we face raindrops In light rainfall, we face Sun We face sun and raindrops The sky remains clear and the sun is at lower position in the sky The Sun remains behind us and we face raindrops In light rainfall, we face Sun We face sun and raindrops The sky remains clear and the sun is at lower position in the sky ANSWER DOWNLOAD EXAMIANS APP
Physics Dynamo is a device for converting Magnetic energy into electrical energy Mechanical energy into electrical energy Heat energy into electrical energy Chemical energy into electrical energy Magnetic energy into electrical energy Mechanical energy into electrical energy Heat energy into electrical energy Chemical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Burns caused by steam are much severe than those caused by boiling water because Temperature of steam is higher Steam has latent heat Steam pierces through the pores of body quickly Steam is gas and engulfs the body quickly Temperature of steam is higher Steam has latent heat Steam pierces through the pores of body quickly Steam is gas and engulfs the body quickly ANSWER DOWNLOAD EXAMIANS APP
Physics On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because: cohesion of water is greater than its adhesion with glass. cohesion of mercury is greater than its adhesion with glass. density of mercury is greater than that of water. mercury is a metal. cohesion of water is greater than its adhesion with glass. cohesion of mercury is greater than its adhesion with glass. density of mercury is greater than that of water. mercury is a metal. ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Paddling the bicycle to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake Driving a car to cover a distance Paddling the bicycle to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake Driving a car to cover a distance ANSWER DOWNLOAD EXAMIANS APP