Physics Which of the following are used for accurately measuring very small time intervals ? Atomic clocks Pulsars White dwarfs Quartz clocks Atomic clocks Pulsars White dwarfs Quartz clocks ANSWER DOWNLOAD EXAMIANS APP
Physics The characteristic invalid for heat radiation is that it travels : With the speed of light Heating the medium through which it passes In a straight line In all directions With the speed of light Heating the medium through which it passes In a straight line In all directions ANSWER DOWNLOAD EXAMIANS APP
Physics Energy per unit volume is dimensionally equal to Force Work Pressure Density Force Work Pressure Density ANSWER DOWNLOAD EXAMIANS APP
Physics When pressure is increased the melting point of ice Decreases Does not change Depends on the impurities in the ice Increases Decreases Does not change Depends on the impurities in the ice Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Stratosphere Exosphere Mesosphere Ionosphere Stratosphere Exosphere Mesosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of heat into electrical energy is achieved by using : Voltmeter Thermocouple Ammeter Hydrometer Voltmeter Thermocouple Ammeter Hydrometer ANSWER DOWNLOAD EXAMIANS APP
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