Physics The swing of a spinning cricket ball in air can be explained on the basis of Buoyancy of air. Turbulence caused by wind. Bernoulli's theorem. Sudden change in wind direction. Buoyancy of air. Turbulence caused by wind. Bernoulli's theorem. Sudden change in wind direction. ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Sound travels slowly in moist air Moist air absorbs sound Sound travels faster in moist air Moist air does not absorb sound Sound travels slowly in moist air Moist air absorbs sound Sound travels faster in moist air Moist air does not absorb sound ANSWER DOWNLOAD EXAMIANS APP
Physics An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is: 600 units 6 units 0.6 units 60 units 600 units 6 units 0.6 units 60 units ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a property of heavy water ? Freezing point of heavy water is higher than that of ordinary water Density of heavy water is higher than that of ordinary water Boiling point of heavy water is lower than that or ordinary water It produces corrosion Freezing point of heavy water is higher than that of ordinary water Density of heavy water is higher than that of ordinary water Boiling point of heavy water is lower than that or ordinary water It produces corrosion ANSWER DOWNLOAD EXAMIANS APP
Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The mercury level does not change The mercury level starts falling The mercury level starts rising The bell jar breaks up The mercury level does not change The mercury level starts falling The mercury level starts rising The bell jar breaks up ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become Double Four times Half One–fourth Double Four times Half One–fourth ANSWER DOWNLOAD EXAMIANS APP