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