Physics In radio-communication, the signals emitted by transmitting antenna are reflected on Ozonosphere Troposphere Stratosphere Ionosphere Ozonosphere Troposphere Stratosphere Ionosphere 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: mercury is a metal. cohesion of mercury is greater than its adhesion with glass. density of mercury is greater than that of water. cohesion of water is greater than its adhesion with glass. mercury is a metal. cohesion of mercury is greater than its adhesion with glass. density of mercury is greater than that of water. cohesion of water is greater than its adhesion with glass. ANSWER DOWNLOAD EXAMIANS APP
Physics Erg cross Sec is the unit of Energy Planck's constant Linear Momentum Angular momentum Energy Planck's constant Linear Momentum Angular momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Which microscope is often used to view metal surfaces? Scanning tunneling microscopes Optical microscopes Electron microscopes None of these Scanning tunneling microscopes Optical microscopes Electron microscopes None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Skating on ice is possible because The surface of ice is smooth The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The pressure on the ice due to skate raises its melting point Ice is cold The surface of ice is smooth The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The pressure on the ice due to skate raises its melting point Ice is cold ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of heat into electrical energy is achieved by using : Voltmeter Thermocouple Hydrometer Ammeter Voltmeter Thermocouple Hydrometer Ammeter ANSWER DOWNLOAD EXAMIANS APP