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 Holography is a technique of Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour Recording a permanent three dimensional black and white photograph Recording a permanent three dimensional multicolour photograph Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour Recording a permanent three dimensional black and white photograph Recording a permanent three dimensional multicolour photograph ANSWER DOWNLOAD EXAMIANS APP
Physics The weight of a body acts through the centre of Buoyancy Mass Both (A) and (B) Gravity Buoyancy Mass Both (A) and (B) Gravity ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to G-rays The infra-red rays The ultraviolet rays X-rays G-rays The infra-red rays The ultraviolet rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Flight Recorder is technically called : Dark box Black box Altitude meter Blind box Dark box Black box Altitude meter Blind box ANSWER DOWNLOAD EXAMIANS APP
Physics Natural radioactivity was discovered by Henri Becquerel Enrico Fermi Marie Curie Ernest Rutherfor Henri Becquerel Enrico Fermi Marie Curie Ernest Rutherfor ANSWER DOWNLOAD EXAMIANS APP
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