Physics Beta rays emitted by a radioactive material are Neutral particles Electromagnetic radiations The electrons orbiting around the nucleus Charged particles emitted by nucleus Neutral particles Electromagnetic radiations The electrons orbiting around the nucleus Charged particles emitted by nucleus ANSWER DOWNLOAD EXAMIANS APP
Physics Electromagnetic waves are transverse in nature is evident by Reflection Polarisation Diffraction Interference Reflection Polarisation Diffraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to expansion in summer can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics What is the name of the device used to convert alternating current into direct current ? Ammeter Galvanometer Rectifier Transformer Ammeter Galvanometer Rectifier Transformer ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers Decreases bandwidth and decreases noise Decreases bandwidth and increases noise Increases bandwidth and increases noise Increases bandwidth and decreases noise Decreases bandwidth and decreases noise Decreases bandwidth and increases noise Increases bandwidth and increases noise Increases bandwidth and decreases noise ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor There is no conduction band The forbidden energy gap is very wide The forbidden energy gap is very narrow The valence band and the conduction band overlap each other There is no conduction band The forbidden energy gap is very wide The forbidden energy gap is very narrow The valence band and the conduction band overlap each other ANSWER DOWNLOAD EXAMIANS APP
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