Physics The number of waves per second in a sound is called ________ of that sound. Acceleration Velocity Displacement Frequency Acceleration Velocity Displacement Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? The density of needle is less than that of water It will remain under the water, when it will displace more water than its weight Due to surface tension Due to its shape The density of needle is less than that of water It will remain under the water, when it will displace more water than its weight Due to surface tension Due to its shape ANSWER DOWNLOAD EXAMIANS APP
Physics The boiling point of liquids vary as Volume varies Pressure varies Density varies Temperature varies Volume varies Pressure varies Density varies Temperature varies ANSWER DOWNLOAD EXAMIANS APP
Physics Kilowatt-hour is the unit of : Power Force Momentum Energy Power Force Momentum Energy ANSWER DOWNLOAD EXAMIANS APP
Physics Where does hydroelectric energy come from? All of these Water Solar Air All of these Water Solar Air ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is Heinrich Hertz James Clerk Maxwell John Logie Baird Thomas Alva Edison Heinrich Hertz James Clerk Maxwell John Logie Baird Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS