Physics To resolve an object in an electron microscope, None of these 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 Both A & B None of these 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 Both A & B 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 Ozonosphere Stratosphere Mesosphere Ionosphere Ozonosphere Stratosphere Mesosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics For a ray of light to suffer total internal reflection it has to pass from : Air to glass Water to glass Glass to water Air to water Air to glass Water to glass Glass to water Air to water ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is optical illusion? Mirage Halo Rainbow Earthshine Mirage Halo Rainbow Earthshine ANSWER DOWNLOAD EXAMIANS APP