Physics The instrument which uses sound waves to measure the depth of oceans is Altimeter Sonar Radar Venturimeter Altimeter Sonar Radar Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays are emitions that have Both mass and charge Neither mass nor charge Mass but no charge Charge but no mass Both mass and charge Neither mass nor charge Mass but no charge Charge but no mass ANSWER DOWNLOAD EXAMIANS APP
Physics Electrostatic precipitator is used to control the pollution of Water Thermal Noise Air Water Thermal Noise Air ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of heat into electrical energy is achieved by using : Thermocouple Ammeter Voltmeter Hydrometer Thermocouple Ammeter Voltmeter Hydrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Has lowest velocity Undergoes least deviation Gives comfort to eye Is least bright Has lowest velocity Undergoes least deviation Gives comfort to eye Is least bright ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following waves cannot be polarised? Radio Infrared Ultrasonic Ultra violet Radio Infrared Ultrasonic Ultra violet ANSWER DOWNLOAD EXAMIANS APP