Physics Inside an aeroplane, flying at a high altitude, normal atmospheric pressure is maintained by the use of air pumps. the pressure inside is less than the pressure outside. the pressure is the same as that outside. normal humidity and partial vacuum are maintained. normal atmospheric pressure is maintained by the use of air pumps. the pressure inside is less than the pressure outside. the pressure is the same as that outside. normal humidity and partial vacuum are maintained. ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because In white light, the blue component dominates All colours interfere to produce blue It is actually blue The atmosphere scatters blue colour more than the others In white light, the blue component dominates All colours interfere to produce blue It is actually blue The atmosphere scatters blue colour more than the others ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity Entropy? Newton per kelvin Joule per kelvin Watt per kelvin Pascal per kelvin Newton per kelvin Joule per kelvin Watt per kelvin Pascal per kelvin ANSWER DOWNLOAD EXAMIANS APP
Physics Which alternative energy source is exhaustible? Solar energy Wind energy Geothermal energy Tidal energy Solar energy Wind energy Geothermal energy Tidal energy ANSWER DOWNLOAD EXAMIANS APP
Physics Bats can sense obstacles because they produce Micro sound waves Ultrasonic sound waves Infrasonic sound waves Supersonic sound waves Micro sound waves Ultrasonic sound waves Infrasonic sound waves Supersonic sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics Every hot object emits ________ X–rays Infrared rays Visible light Ultraviolet rays X–rays Infrared rays Visible light Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
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