Physics Conversion of sound energy into electrical energy is done by Solar cell Microphone Gramophone Loudspeaker Solar cell Microphone Gramophone Loudspeaker ANSWER DOWNLOAD EXAMIANS APP
Physics The Solar energy produced by Fission reaction Fusion reaction Combustion reaction None Fission reaction Fusion reaction Combustion reaction None ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures Which turn into insulators at very low temperatures Which conduct electricity only at super-high temperatures Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures Which turn into insulators at very low temperatures Which conduct electricity only at super-high temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics Permissible noise level at Residential area during night time is : 80 dB (A) 55 dB (A) 45 dB (A) 75 dB (A) 80 dB (A) 55 dB (A) 45 dB (A) 75 dB (A) ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Sound travels faster in moist air Sound travels slowly in moist air Moist air does not absorb sound Moist air absorbs sound Sound travels faster in moist air Sound travels slowly in moist air Moist air does not absorb sound Moist air absorbs sound ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of continous emission spectrum? Spectrum of a water Both None Spectrum of an oil frame Spectrum of a water Both None Spectrum of an oil frame ANSWER DOWNLOAD EXAMIANS APP