Physics Why does'nt the hydrogen atom emit X-rays? Its energy levels are very close to each other It is highly electropositive It has only one electron It is very small in size Its energy levels are very close to each other It is highly electropositive It has only one electron It is very small in size ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to X-rays The infra-red rays The ultraviolet rays G-rays X-rays The infra-red rays The ultraviolet rays G-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength. X - rays, infrared, visible, microwave Microwave, infrared, visible. X-rays X -rays, visible, infrared, microwave Visible, infrared, microwave, X-rays X - rays, infrared, visible, microwave Microwave, infrared, visible. X-rays X -rays, visible, infrared, microwave Visible, infrared, microwave, X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Total internal reflection Atmospheric refraction Dispersion of light Atmospheric reflection Total internal reflection Atmospheric refraction Dispersion of light Atmospheric reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Choke' used with a tube light is basically A transformer A capacitor An inductor A resistor A transformer A capacitor An inductor A resistor ANSWER DOWNLOAD EXAMIANS APP
Physics The source of the Sun's energy is the process of Nuclear fusion Thermionic emission Photoelectric emission Nuclear fission Nuclear fusion Thermionic emission Photoelectric emission Nuclear fission ANSWER DOWNLOAD EXAMIANS APP