Physics In SONAR which kind of wave is used? Audible sound Ultrasonic Radio Infrasonic Audible sound Ultrasonic Radio Infrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics Echo is heard due to Scattering Refraction Reflection Interference Scattering Refraction Reflection Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Conservation of energy refers to the fact that If you conserve energy you will not be as tired No chemical reaction is 100 percent efficient Energy cannot be created or destroyed but can be converted from one form to another The entropy of the universe is always increasing If you conserve energy you will not be as tired No chemical reaction is 100 percent efficient Energy cannot be created or destroyed but can be converted from one form to another The entropy of the universe is always increasing ANSWER DOWNLOAD EXAMIANS APP
Physics What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? All ice will melt No change will happen Only some ice will melt All water will become ice All ice will melt No change will happen Only some ice will melt All water will become ice ANSWER DOWNLOAD EXAMIANS APP
Physics Visible light has a higher frequency than Ultra violet Radio waves X rays All listed here Ultra violet Radio waves X rays All listed here ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Refraction Interference Polarisation Reflection Refraction Interference Polarisation Reflection ANSWER DOWNLOAD EXAMIANS APP