Physics To resolve an object in an electron microscope, None of these Both A & B The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. None of these Both A & B The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of continous emission spectrum? Spectrum of an oil frame Spectrum of a water Both None Spectrum of an oil frame Spectrum of a water Both None ANSWER DOWNLOAD EXAMIANS APP
Physics The atmospheric layer reflecting radio waves is called Ozonosphere Mesosphere Stratosphere Ionosphere Ozonosphere Mesosphere Stratosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics For a ray of light to suffer total internal reflection it has to pass from : Air to water Water to glass Glass to water Air to glass Air to water Water to glass Glass to water Air to glass ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is optical illusion? Earthshine Halo Mirage Rainbow Earthshine Halo Mirage Rainbow ANSWER DOWNLOAD EXAMIANS APP
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