Physics It is dangerous to observe Solar eclipse with naked eyes because 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 Ultraviolet radiations from Sun burn our retina All radiations from sun initiate chemical reactions in eyes Infrared radiations from sun burn our retina ANSWER DOWNLOAD EXAMIANS APP
Physics In radio-communication, the signals emitted by transmitting antenna are reflected on Troposphere Stratosphere Ionosphere Ozonosphere Troposphere Stratosphere Ionosphere Ozonosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The radiation initially produced in fluorescent tube is Ultraviolet X-rays Infrared Microwaves Ultraviolet X-rays Infrared Microwaves ANSWER DOWNLOAD EXAMIANS APP
Physics A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers. Reflection Total internal reflection Diffraction Refraction Reflection Total internal reflection Diffraction Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics A doppler effect occurs when a source of sound moves None of these Towards you Both A & B Away from you None of these Towards you Both A & B Away from you ANSWER DOWNLOAD EXAMIANS APP
Physics Electron microscope works on which of the following principles? Motion of charged particle in electromagnetic fields Wave Nature of electrons Optical interference Faraday's law of Electromagnetic induction Motion of charged particle in electromagnetic fields Wave Nature of electrons Optical interference Faraday's law of Electromagnetic induction ANSWER DOWNLOAD EXAMIANS APP
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