Physics The waveform of a certain signal can be studied by P – n junction diode Spectrometer Sonometer Cathode ray oscilloscope P – n junction diode Spectrometer Sonometer Cathode ray oscilloscope ANSWER DOWNLOAD EXAMIANS APP
Physics At hill stations, the boiling point of water will be Equal to the melting point of ice Less than that at sea level More than that at sea level Same as at sea level Equal to the melting point of ice Less than that at sea level More than that at sea level Same as at sea level 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: Both the heating effect of current and hysteresis loss The heating effect of current alone Hysteresis loss alone Intense sunlight at noon Both the heating effect of current and hysteresis loss The heating effect of current alone Hysteresis loss alone Intense sunlight at noon ANSWER DOWNLOAD EXAMIANS APP
Physics In the absence of the earth's atmosphere, sky would appear Blue Deep red White Black Blue Deep red White Black ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of the sound is highest in Air Vacuum Water Metal Air Vacuum Water Metal ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Wind mill grinding wheat grain Driving a car to cover a distance Paddling the bicycle to cover a distance Rowing a boat in the lake Wind mill grinding wheat grain Driving a car to cover a distance Paddling the bicycle to cover a distance Rowing a boat in the lake ANSWER DOWNLOAD EXAMIANS APP
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