Physics Intensity of sound at a point is ____ its distance from the source. directly proportional to inversely proportional to directly proportional to square of inversely proportional to square of directly proportional to inversely proportional to directly proportional to square of inversely proportional to square of ANSWER DOWNLOAD EXAMIANS APP
Physics For which one of the following, ''Diodes' are generally used for? Rectification Amplification Modulation Filtration Rectification Amplification Modulation Filtration ANSWER DOWNLOAD EXAMIANS APP
Physics What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? No change will happen All water will become ice All ice will melt Only some ice will melt No change will happen All water will become ice All ice will melt Only some ice will melt ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? It is highly electropositive Its energy levels are very close to each other It has only one electron It is very small in size It is highly electropositive Its energy levels are very close to each other It has only one electron It is very small in size ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibres are based on the phenomenon of Total Internal Reflection Diffraction Dispersion Interference Total Internal Reflection Diffraction Dispersion Interference ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Remain unaffected Decrease Increase Have its shape changed Remain unaffected Decrease Increase Have its shape changed ANSWER DOWNLOAD EXAMIANS APP
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