Physics For a ray of light to suffer total internal reflection it has to pass from : Water to glass Glass to water Air to water Air to glass Water to glass Glass to water Air to water Air to glass ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because plastics have a higher thermal conductivity than metals metals are good conductor of heat metals have higher thermal capacity than plastics plastics have a lower density than metals plastics have a higher thermal conductivity than metals metals are good conductor of heat metals have higher thermal capacity than plastics plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP
Physics Dioptre is the unit of Power of a lens Sound intensity Light intensity Focal length of a lens Power of a lens Sound intensity Light intensity Focal length of a lens ANSWER DOWNLOAD EXAMIANS APP
Physics Beta rays emitted by a radioactive material are Charged particles emitted by nucleus Neutral particles The electrons orbiting around the nucleus Electromagnetic radiations Charged particles emitted by nucleus Neutral particles The electrons orbiting around the nucleus Electromagnetic radiations ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic packing factor of body centred cubic structure (bcc) is 0.69 0.73 0.63 0.68 0.69 0.73 0.63 0.68 ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Diffraction Refraction Reflection Total internal reflection Diffraction Refraction Reflection Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
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