Physics Sound waves cannot travel in Glass Water Vacuum Hydrogen gas Glass Water Vacuum Hydrogen gas ANSWER DOWNLOAD EXAMIANS APP
Physics Matter waves are Transverse waves Electromagnetic waves Longitudinal waves De Broglie waves Transverse waves Electromagnetic waves Longitudinal waves De Broglie waves ANSWER DOWNLOAD EXAMIANS APP
Physics Golden view of sea shell is due to Polarization Dispersion Diffraction Reflection Polarization Dispersion Diffraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics For a ray of light to suffer total internal reflection it has to pass from : Air to glass Air to water Water to glass Glass to water Air to glass Air to water Water to glass Glass to water ANSWER DOWNLOAD EXAMIANS APP
Physics In a Laser (say neon laser) all the atoms emit the light waves of Same amplitude Same phase Same frequency All of these Same amplitude Same phase Same frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Vegetables are cooked in lesser time by adding a pinch of salt while cooking because Boiling point of water decreases Latent heat of vaporization of water increases Latent heat of vaporization of water decreases Boiling point of water increases Boiling point of water decreases Latent heat of vaporization of water increases Latent heat of vaporization of water decreases Boiling point of water increases ANSWER DOWNLOAD EXAMIANS APP