Physics Red light has a wavelength of 70 A°. In "nm" it is 0.07 nm 70 nm 7 nm 700 nm 0.07 nm 70 nm 7 nm 700 nm ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of Capillarity Diffusion Viscosity Surface tension Capillarity Diffusion Viscosity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Why does water tank appear shallower when viewed from the top? Due to diffraction Due to reflection Due to total internal reflection Due to refraction Due to diffraction Due to reflection Due to total internal reflection Due to refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following processes is responsible for the glittering of air bubble rising through water? Scattering of light Refraction of light Total internal reflection of light Reflection of light Scattering of light Refraction of light Total internal reflection of light Reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue due to Rayleigh scattering Back scattering None of these Mie scattering Rayleigh scattering Back scattering None of these Mie scattering ANSWER DOWNLOAD EXAMIANS APP
Physics What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? All ice will melt Only some ice will melt All water will become ice No change will happen All ice will melt Only some ice will melt All water will become ice No change will happen ANSWER DOWNLOAD EXAMIANS APP
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