Physics The speed of light in air is 8 × 103 m/s Infinity 3 × 108 m/s 3 × 10–8 m/s 8 × 103 m/s Infinity 3 × 108 m/s 3 × 10–8 m/s 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 Which one of the following is responsible for the working of Newton's colour disc experiment ? Principle of complementary colour Formation of pure spectra Formation of impure spectra Persistence of vision Principle of complementary colour Formation of pure spectra Formation of impure spectra Persistence of vision ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: In which atmospheric layer are the communication satellites located? Mesosphere Troposphere Stratosphere Ionosphere Mesosphere Troposphere Stratosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument used to measure the force and velocity of the wind is Altimeter Audiometer Anemometer Ammeter Altimeter Audiometer Anemometer Ammeter ANSWER DOWNLOAD EXAMIANS APP
Physics Hertz is the SI unit of Power Weight Pressure Frequency Power Weight Pressure Frequency ANSWER DOWNLOAD EXAMIANS APP