Physics Positive feedback is used in Rectifiers None of these Amplifiers Oscillators Rectifiers None of these Amplifiers Oscillators ANSWER DOWNLOAD EXAMIANS APP
Physics If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will Fall in front of him Fall into his hand None of these Fall behind him Fall in front of him Fall into his hand None of these Fall behind him ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear sizes are expressed in a unit named Tesla Angstrom Newton Fermi Tesla Angstrom Newton Fermi ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Gives comfort to eye Undergoes least deviation Is least bright Has lowest velocity Gives comfort to eye Undergoes least deviation Is least bright Has lowest velocity ANSWER DOWNLOAD EXAMIANS APP
Physics 'Mirage' is an example of Refraction of light only Total internal reflection of light only Dispersion of light only Refraction and total internal reflection of light Refraction of light only Total internal reflection of light only Dispersion of light only Refraction and total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics The alluminating powers of two sources are compared by A polarimeter A fluxmeter A photometer A spectrometer A polarimeter A fluxmeter A photometer A spectrometer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS