Physics What is the minimum distance (in metres) required to hear an echo? 10 17 13 21 10 17 13 21 ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Is least bright Undergoes least deviation Gives comfort to eye Has lowest velocity Is least bright Undergoes least deviation Gives comfort to eye Has lowest velocity ANSWER DOWNLOAD EXAMIANS APP
Physics A Fuse wire is characterised by Low resistance and low melting point High resistance and high melting point Low resistance and high melting point High resistance and low melting point Low resistance and low melting point High resistance and high melting point Low resistance and high melting point High resistance and low melting point ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina Cosmic rays reach eyes more during the eclipse All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina Cosmic rays reach eyes more during the eclipse All radiations from sun initiate chemical reactions in eyes ANSWER DOWNLOAD EXAMIANS APP
Physics Flight Recorder is technically called : Altitude meter Black box Dark box Blind box Altitude meter Black box Dark box Blind box ANSWER DOWNLOAD EXAMIANS APP
Physics In the gamma decay of a nucleus Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus does not change whereas its atomic number changes The mass number of the nucleus changes whereas its atomic number does not change Both the mass number and the atomic number of the nucleus change Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus does not change whereas its atomic number changes The mass number of the nucleus changes whereas its atomic number does not change Both the mass number and the atomic number of the nucleus change ANSWER DOWNLOAD EXAMIANS APP