Physics Why does'nt the hydrogen atom emit X-rays? It is highly electropositive It is very small in size It has only one electron Its energy levels are very close to each other It is highly electropositive It is very small in size It has only one electron Its energy levels are very close to each other ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Speed Wavelength Amplitude Frequency Speed Wavelength Amplitude Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics If the distance between Sun and Earth becomes double, then the gravitational force on Earth will be Double Same One Fourth Half Double Same One Fourth Half ANSWER DOWNLOAD EXAMIANS APP
Physics The increasing order of the refractive index of certain materials is (left to right) ________ Kerosene, Ice, Benzene, Rock Salt Rock Salt, Ice, Benzene, Kerosene Rocksalt, Benzene, Kerosene, Ice Ice, Kerosene, Benzene, Rock Salt Kerosene, Ice, Benzene, Rock Salt Rock Salt, Ice, Benzene, Kerosene Rocksalt, Benzene, Kerosene, Ice Ice, Kerosene, Benzene, Rock Salt ANSWER DOWNLOAD EXAMIANS APP
Physics Hertz is a unit for measuring Wavelength Frequency of waves Intensity of waves Clarity of waves Wavelength Frequency of waves Intensity of waves Clarity of waves ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following processes is responsible for the glittering of air bubble rising through water? Refraction of light Total internal reflection of light Scattering of light Reflection of light Refraction of light Total internal reflection of light Scattering of light Reflection of light ANSWER DOWNLOAD EXAMIANS APP