Physics Intensity of sound at a point is ____ its distance from the source. directly proportional to square of inversely proportional to directly proportional to inversely proportional to square of directly proportional to square of inversely proportional to directly proportional to inversely proportional to square of ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because Glass undergoes a change due to the heat The heat of the bulb scorches the glass at the top Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there Glass undergoes a change due to the heat The heat of the bulb scorches the glass at the top Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there ANSWER DOWNLOAD EXAMIANS APP
Physics The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is Interference Reflection Dispersion Diffraction Interference Reflection Dispersion Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Bandwidth is the The rate of data transfer None of these Both a & b A measure of the width of a range of frequencies The rate of data transfer None of these Both a & b A measure of the width of a range of frequencies ANSWER DOWNLOAD EXAMIANS APP
Physics Electron microscope works on which of the following principles? Optical interference Wave Nature of electrons Faraday's law of Electromagnetic induction Motion of charged particle in electromagnetic fields Optical interference Wave Nature of electrons Faraday's law of Electromagnetic induction Motion of charged particle in electromagnetic fields 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: Hysteresis loss alone The heating effect of current alone Both the heating effect of current and hysteresis loss Intense sunlight at noon Hysteresis loss alone The heating effect of current alone Both the heating effect of current and hysteresis loss Intense sunlight at noon ANSWER DOWNLOAD EXAMIANS APP