Physics Optical fibre works on which of the following principle of light? Total internal reflection Refraction Reflection Diffraction Total internal reflection Refraction Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? Due to its shape Due to surface tension It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water Due to its shape Due to surface tension It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water ANSWER DOWNLOAD EXAMIANS APP
Physics The alluminating powers of two sources are compared by A photometer A fluxmeter A polarimeter A spectrometer A photometer A fluxmeter A polarimeter A spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics The force that generates wind is Centrifugal force Gravity force Coriolis force Pressure gradient force Centrifugal force Gravity force Coriolis force Pressure gradient force ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Diffraction Total internal reflection Reflection Refraction Diffraction Total internal reflection Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics The electrical domestic tube light gives white fluorescent light because of Falling of ultra violet rays on the white inner coating of the tube Vacuum inside the tube Heavy current Colision between molecules of filled gas under electric current Falling of ultra violet rays on the white inner coating of the tube Vacuum inside the tube Heavy current Colision between molecules of filled gas under electric current ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS