Physics A periscope works by the principle of Reflection Diffraction Total internal reflection Refraction Reflection Diffraction Total internal reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics An object at rest may have Kinetic energy Velocity Potential energy Momentum Kinetic energy Velocity Potential energy Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Ocean currents are an example of Radiation Insulation Conduction Convection Radiation Insulation Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Physics Vegetables are cooked in lesser time by adding a pinch of salt while cooking because Latent heat of vaporization of water decreases Latent heat of vaporization of water increases Boiling point of water decreases Boiling point of water increases Latent heat of vaporization of water decreases Latent heat of vaporization of water increases Boiling point of water decreases Boiling point of water increases ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals are good conductor of heat metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals are good conductor of heat metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
Physics In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie ? Visible Ultraviolet Infrared X-ray Visible Ultraviolet Infrared X-ray ANSWER DOWNLOAD EXAMIANS APP