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