Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Mesosphere Stratosphere Ionosphere Exosphere Mesosphere Stratosphere Ionosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Physics As water is cooled from 4 deg C to 0 deg C, its density None of these Decreases Increases Remains same None of these Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Physics A standing wave occurs when Two waves overlap The speed of the wave is zero or near zero A wave reflects upon itself The amplitude of a wave exceeds its wavelength Two waves overlap The speed of the wave is zero or near zero A wave reflects upon itself The amplitude of a wave exceeds its wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics An atom bomb based upon the principal of ________ Nuclear fussion Controlled chain reaction None of these Nuclear fission Nuclear fussion Controlled chain reaction None of these Nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Physics Thermohaline circulation is mainly due to Winds causing circulation of ocean water Warmer, less dense water sinking in the ocean and cold water replacing it Cold, dense ocean water sinking and warmer water replacing it Warm water being added to the ocean due to industial waste Winds causing circulation of ocean water Warmer, less dense water sinking in the ocean and cold water replacing it Cold, dense ocean water sinking and warmer water replacing it Warm water being added to the ocean due to industial waste ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is James Clerk Maxwell Heinrich Hertz Thomas Alva Edison John Logie Baird James Clerk Maxwell Heinrich Hertz Thomas Alva Edison John Logie Baird ANSWER DOWNLOAD EXAMIANS APP
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