Physics Red light has a wavelength of 70 A°. In "nm" it is 7 nm 0.07 nm 700 nm 70 nm 7 nm 0.07 nm 700 nm 70 nm ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? None of these These make work easier Work input > work output Both A & B None of these These make work easier Work input > work output Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics The ordinary and maximum tolerance limit of sound by human being is 60 db to 80 db (decibel) 50 db to 70 db (decibel) 70 db to 85 db (decibel) 65 db to 75 db (decibel) 60 db to 80 db (decibel) 50 db to 70 db (decibel) 70 db to 85 db (decibel) 65 db to 75 db (decibel) ANSWER DOWNLOAD EXAMIANS APP
Physics Optical Fibre technology works on which of these principles of Physics? Newton's law of Motion Bernoulli's Principle Photoelectric effect Total internal reflection of Light Newton's law of Motion Bernoulli's Principle Photoelectric effect Total internal reflection of Light ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: In which atmospheric layer are the communication satellites located? Stratosphere Mesosphere Ionosphere Troposphere Stratosphere Mesosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of sound energy into electrical energy is done by Solar cell Microphone Loudspeaker Gramophone Solar cell Microphone Loudspeaker Gramophone ANSWER DOWNLOAD EXAMIANS APP