Physics Red light has a wavelength of 70 A°. In "nm" it is 0.07 nm 700 nm 70 nm 7 nm 0.07 nm 700 nm 70 nm 7 nm ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of luminous emittance is : Lux Lumen Lumen second Candela Lux Lumen Lumen second Candela ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Decreases Decreases and then remains constant Increases Remains constant Decreases Decreases and then remains constant Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics In the gamma decay of a nucleus The mass number of the nucleus changes whereas its atomic number does not change Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus changes whereas its atomic number does not change Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes Neither the mass number nor the atomic number of the nucleus changes ANSWER DOWNLOAD EXAMIANS APP
Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Super-conductor Semi-conductor Insulator Metallic-conductor Super-conductor Semi-conductor Insulator Metallic-conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Addition of suitable impurities into semiconductor, is called Forming Diluting Doping Mixing Forming Diluting Doping Mixing ANSWER DOWNLOAD EXAMIANS APP