Physics Instrument for measuring blueness of the sky or ocean is called ________ Bathymeter Ceraunograph Cyanometer Barometer Bathymeter Ceraunograph Cyanometer Barometer ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument which uses sound waves to measure the depth of oceans is Altimeter Radar Venturimeter Sonar Altimeter Radar Venturimeter Sonar ANSWER DOWNLOAD EXAMIANS APP
Physics Positive feedback is used in None of these Amplifiers Oscillators Rectifiers None of these Amplifiers Oscillators Rectifiers ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Effect of other magnets Earth's magnetic field Demagnetization due to heating Self-demagnetization Effect of other magnets Earth's magnetic field Demagnetization due to heating Self-demagnetization ANSWER DOWNLOAD EXAMIANS APP
Physics The lift of an aeroplane is caused by Bernouli's theorem Law of gravitation Pascel's law Theorem of continuity Bernouli's theorem Law of gravitation Pascel's law Theorem of continuity ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Stratosphere Exosphere Ionosphere Mesosphere Stratosphere Exosphere Ionosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
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