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