Physics Inside an aeroplane, flying at a high altitude, normal atmospheric pressure is maintained by the use of air pumps. normal humidity and partial vacuum are maintained. the pressure is the same as that outside. the pressure inside is less than the pressure outside. normal atmospheric pressure is maintained by the use of air pumps. normal humidity and partial vacuum are maintained. the pressure is the same as that outside. the pressure inside is less than the pressure outside. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following device is best suited for measuring the temperature inside metallurgical furnaces? Thermocouple Thermometer Thermistor Pyrometer Thermocouple Thermometer Thermistor Pyrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument used to study the behaviour of a vibrating string is : Barometer Hygrometer Sonometer Hydrometer Barometer Hygrometer Sonometer Hydrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Alpha particle is the nucleus of an atom of Lithium Hydrogen Helium Oxygen Lithium Hydrogen Helium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics The first law of thermodynamics is simply the case of Newton's law of cooling The law of heat exchange The law of conservation of energy Charle's law Newton's law of cooling The law of heat exchange The law of conservation of energy Charle's law ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection I, II and III I and III II and III I and II I, II and III I and III II and III I and II ANSWER DOWNLOAD EXAMIANS APP