Physics Rainbows are produced when sunlight : Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. None of the given statements is correct. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. None of the given statements is correct. ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant Control the speed of train ANSWER DOWNLOAD EXAMIANS APP
Physics What is a compound microscope? A microscope whose lenses are concave. A microscope whose lenses are convex. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. A microscope whose lenses are concave. A microscope whose lenses are convex. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. ANSWER DOWNLOAD EXAMIANS APP
Physics Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as: Relative humidity Absolute humidity Mixing ratio Specific humidity Relative humidity Absolute humidity Mixing ratio Specific humidity ANSWER DOWNLOAD EXAMIANS APP
Physics Mica is used in electrical appliances such as electric iron because mica is a good conductor of heat but a bad conductor of electricity a bad conductor of heat as well as electricity a good conductor of heat as well as electricity a bad conductor of heat but a good conductor of electricity a good conductor of heat but a bad conductor of electricity a bad conductor of heat as well as electricity a good conductor of heat as well as electricity a bad conductor of heat but a good conductor of electricity ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Ionosphere Exosphere Mesosphere Stratosphere Ionosphere Exosphere Mesosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP