Physics It is dangerous to observe Solar eclipse with naked eyes because Ultraviolet radiations from Sun burn our retina All radiations from sun initiate chemical reactions in eyes Infrared radiations from sun burn our retina Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina All radiations from sun initiate chemical reactions in eyes Infrared radiations from sun burn our retina Cosmic rays reach eyes more during the eclipse ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following ray has minimum wavelength Gamma ray X-rays Utraviolet ray Cosmic ray Gamma ray X-rays Utraviolet ray Cosmic ray ANSWER DOWNLOAD EXAMIANS APP
Physics Angle of friction and angle of repose are Not equal to each other None of these Equal to each other Proportional to each other Not equal to each other None of these Equal to each other Proportional to each other ANSWER DOWNLOAD EXAMIANS APP
Physics When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion? Displacement Velocity Energy Acceleration Displacement Velocity Energy Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Dead centre Centre of motion Centre of mass Centre of gravity Dead centre Centre of motion Centre of mass Centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Physics The minimum number of geostationary satellites needed for uninterrupted global coverage is : 2 1 4 3 2 1 4 3 ANSWER DOWNLOAD EXAMIANS APP
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