Physics Mach number is used in connection with the speed of aircraft ships sound spacecraft aircraft ships sound spacecraft ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina Ultraviolet radiations from Sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina Ultraviolet radiations from Sun burn our retina ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 6 – 10 Hz 0 – 5 Hz 20 – 20000 Hz 11 – 20 Hz 6 – 10 Hz 0 – 5 Hz 20 – 20000 Hz 11 – 20 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Rain drops fall from great height. Which among the following statements is true regarding it? Their velocity increases and they fall with same velocity on the earth They fall with that ultimate velocity, which are different for different droplets Their velocity increases and they fall with different velocity on the earth They fall with same ultimate velocity Their velocity increases and they fall with same velocity on the earth They fall with that ultimate velocity, which are different for different droplets Their velocity increases and they fall with different velocity on the earth They fall with same ultimate velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Echolocation is an adaptation bats use to Hunt insects in flight Find warm places for hibernation Locate flowering plants All of these Hunt insects in flight Find warm places for hibernation Locate flowering plants All of these ANSWER DOWNLOAD EXAMIANS APP
Physics A body absorbs heat most if it is White and smooth Black and rough Black and smooth White and rough White and smooth Black and rough Black and smooth White and rough ANSWER DOWNLOAD EXAMIANS APP
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