Physics Which determines the frequency of a sound wave? Source Speed Medium Amplitude Source Speed Medium Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The mercury level starts rising The bell jar breaks up The mercury level does not change The mercury level starts falling The mercury level starts rising The bell jar breaks up The mercury level does not change The mercury level starts falling ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: The heating effect of current alone Intense sunlight at noon Both the heating effect of current and hysteresis loss Hysteresis loss alone The heating effect of current alone Intense sunlight at noon Both the heating effect of current and hysteresis loss Hysteresis loss alone ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following instruments is used to study dispersion of light ? Photometer Microscope Spectrometer Telescope Photometer Microscope Spectrometer Telescope ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the lowest frequency? Ultra violet rays Visible light Gamma rays Xrays Ultra violet rays Visible light Gamma rays Xrays ANSWER DOWNLOAD EXAMIANS APP
Physics Hot springs are heated geothermally by underlying None of these Magma Water Mitula None of these Magma Water Mitula ANSWER DOWNLOAD EXAMIANS APP