Physics In the atmosphere ultraviolet rays are absorbed by Ozone Helium Nitrogen Oxygen Ozone Helium Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie ? Visible Infrared X-ray Ultraviolet Visible Infrared X-ray Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Physics Which microscope is often used to view metal surfaces? None of these Electron microscopes Optical microscopes Scanning tunneling microscopes None of these Electron microscopes Optical microscopes Scanning tunneling microscopes ANSWER DOWNLOAD EXAMIANS APP
Physics Two vectors are said to be equal if Only their directions are same Magnitudes are same but directions are opposite Only their magnitudes are same Both magnitude and direction are same Only their directions are same Magnitudes are same but directions are opposite Only their magnitudes are same Both magnitude and direction are same ANSWER DOWNLOAD EXAMIANS APP
Physics In nuclear reactor, heavy water is used as Atomic smasher Coolant Fuel Moderator Atomic smasher Coolant Fuel Moderator ANSWER DOWNLOAD EXAMIANS APP
Physics A white and smooth surface is Good absorber and bad reflector of heat Good absorber and good reflector of heat Bad absorber and bad reflector of heat Bad absorber and good reflector of heat Good absorber and bad reflector of heat Good absorber and good reflector of heat Bad absorber and bad reflector of heat Bad absorber and good reflector of heat ANSWER DOWNLOAD EXAMIANS APP