Physics Red light has a wavelength of 70 A°. In "nm" it is 7 nm 70 nm 700 nm 0.07 nm 7 nm 70 nm 700 nm 0.07 nm ANSWER DOWNLOAD EXAMIANS APP
Physics Which Color has the Longest Wavelength? Violet White Yellow Red Violet White Yellow Red ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Water has a higher surface tension Oil has a higher viscosity Water has a higher viscosity Oil has a higher surface tension Water has a higher surface tension Oil has a higher viscosity Water has a higher viscosity Oil has a higher surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics What apparatus is used to locate a submerged object? Radar Pulsar Quasar Sonar Radar Pulsar Quasar Sonar ANSWER DOWNLOAD EXAMIANS APP
Physics Radio waves sent out by a radio stations are reflected by Stratosphere Mesosphere Troposphere Ionosphere Stratosphere Mesosphere Troposphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Convection and radiation only Conduction, convection and radiation Conduction and radiation only Conduction and convection only Convection and radiation only Conduction, convection and radiation Conduction and radiation only Conduction and convection only ANSWER DOWNLOAD EXAMIANS APP