Physics Conversion of sound energy into electrical energy is done by Solar cell Loudspeaker Microphone Gramophone Solar cell Loudspeaker Microphone Gramophone ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in degree Celsius), the numerical values on Celsius and Fahrenheit scales become equal? 273 40 –40 –273 273 40 –40 –273 ANSWER DOWNLOAD EXAMIANS APP
Physics Which is the point from where an azimuth originates? North East West South North East West South ANSWER DOWNLOAD EXAMIANS APP
Physics It is easy to burst a gas-filled balloon with a needle than with a nail. It is because Needle exerts more pressure than nail on the balloon. Nail exerts more pressure than needle on the balloon. Gas is reactive with the needle. Nail is more longer than needle. Needle exerts more pressure than nail on the balloon. Nail exerts more pressure than needle on the balloon. Gas is reactive with the needle. Nail is more longer than needle. ANSWER DOWNLOAD EXAMIANS APP
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 The SI unit for measuring work and energy is Ohm Farad Watt Joule Ohm Farad Watt Joule ANSWER DOWNLOAD EXAMIANS APP