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
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1.5 2 1.2 1 1.5 2 1.2 1 ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for locating submerged objects under sea is. Laser Maser Radar Sonar Laser Maser Radar Sonar ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a form of Energy? Motion Pressure Heat Sound Motion Pressure Heat Sound ANSWER DOWNLOAD EXAMIANS APP
Physics The value of coefficient of restitution in perfectly elastic collision is 0.5 1 2 0.5 1 2 ANSWER DOWNLOAD EXAMIANS APP
Physics The cause for the Tsunami, as deduced by the seismologists, is Gravitational pull of the moon Sudden change in the monsoon wind Deformation of sea floor and vertical displacement of water Low pressure trough in the ocean Gravitational pull of the moon Sudden change in the monsoon wind Deformation of sea floor and vertical displacement of water Low pressure trough in the ocean ANSWER DOWNLOAD EXAMIANS APP
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