Physics Mach number is used in connection with the speed of sound spacecraft ships aircraft sound spacecraft ships aircraft ANSWER DOWNLOAD EXAMIANS APP
Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because Special mechanisms are present in parachute Stone is heavier than parachute None of these A parachute has a larger surface area and air resistance is more Special mechanisms are present in parachute Stone is heavier than parachute None of these A parachute has a larger surface area and air resistance is more ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of which glass Cobalt glass Flint glass Ordinary glass Pyrex glass Cobalt glass Flint glass Ordinary glass Pyrex glass ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because Ultraviolet radiations from Sun burn our retina Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Atomic emission Electron absorption Electron emission Atomic absorption Atomic emission Electron absorption Electron emission Atomic absorption ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity "Jerk"? Meter second Meter per second Meter per second cube Meter per second square Meter second Meter per second Meter per second cube Meter per second square ANSWER DOWNLOAD EXAMIANS APP
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