Physics Velocity of sound in air does not change with the change of Pressure of air Wind in the direction of propagation of sound Moisture content in air Temperature of air Pressure of air Wind in the direction of propagation of sound Moisture content in air Temperature of air ANSWER DOWNLOAD EXAMIANS APP
Physics On a rainy day, small oil films on water show brilliant colours. This is due to diffraction polarization dispersion interference diffraction polarization dispersion interference ANSWER DOWNLOAD EXAMIANS APP
Physics Sound becomes hazardous noise pollution at decibels? Above 50 db Above 30 db Above 120 db Above 80 db Above 50 db Above 30 db Above 120 db Above 80 db ANSWER DOWNLOAD EXAMIANS APP
Physics Lamberts law is related to Illumination Reflection Refraction Interference Illumination Reflection Refraction Interference 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 mercury is greater than its adhesion with glass. mercury is a metal. cohesion of water is greater than its adhesion with glass. density of mercury is greater than that of water. cohesion of mercury is greater than its adhesion with glass. mercury is a metal. cohesion of water is greater than its adhesion with glass. density of mercury is greater than that of water. ANSWER DOWNLOAD EXAMIANS APP
Physics The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ? 24 A 8.5 A 0.41666666666667 24 A 8.5 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
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