Physics Natural radioactivity was discovered by Enrico Fermi Ernest Rutherfor Marie Curie Henri Becquerel Enrico Fermi Ernest Rutherfor Marie Curie Henri Becquerel ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Atmospheric reflection Atmospheric refraction Total internal reflection Dispersion of light Atmospheric reflection Atmospheric refraction Total internal reflection Dispersion of light ANSWER DOWNLOAD EXAMIANS APP
Physics When a light wave is reflected from a mirror, there is a change in its Amplitude Velocity Wavelength Frequency Amplitude Velocity Wavelength Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics When hot-water is sprinkled on a hotter glass tumbler, it breaks because Glass suddenly contracts Glass suddenly expands Water evaporates Glass reacts chemically with water Glass suddenly contracts Glass suddenly expands Water evaporates Glass reacts chemically with water ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron emission Atomic emission Atomic absorption Electron absorption Electron emission Atomic emission Atomic absorption Electron absorption ANSWER DOWNLOAD EXAMIANS APP
Physics Where is a transistor most likely to be found ? Wrist watch Fluorescent lamp Fuse Hearing aid Wrist watch Fluorescent lamp Fuse Hearing aid ANSWER DOWNLOAD EXAMIANS APP
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