Physics A dynamo is used to convert Electrical energy into mechanical energy Electrical energy into magnetic energy Mechanical energy into electrical energy Magnetic energy into mechanical energy Electrical energy into mechanical energy Electrical energy into magnetic energy Mechanical energy into electrical energy Magnetic energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Beats Echo Doppler effect Resonance Beats Echo Doppler effect Resonance ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because Of the surface tension of mercury Mercury is a semisolid The density of mercury is greater than that of steel Of the high viscosity of mercury Of the surface tension of mercury Mercury is a semisolid The density of mercury is greater than that of steel Of the high viscosity of mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Lux is the SI unit of intensity of illumination luminous efficiency luminous flux luminous intensity intensity of illumination luminous efficiency luminous flux luminous intensity ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is due to the phenomenon of : Vaporisation Diffusion Evaporation Sublimation Vaporisation Diffusion Evaporation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Nickel Nichrome Chromium Tungsten Nickel Nichrome Chromium Tungsten ANSWER DOWNLOAD EXAMIANS APP
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