Physics The base of an electric iron is brightly polished mainly To make it rust-proof To reduce heat loss by radiation To make it more durable To make it smooth and frictionless To make it rust-proof To reduce heat loss by radiation To make it more durable To make it smooth and frictionless ANSWER DOWNLOAD EXAMIANS APP
Physics Carbon Arc lamps are commonly used in Vehicles Cinema projectors Domestic lighting Photography Vehicles Cinema projectors Domestic lighting Photography ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, The wavelength of the electrons must be greater than the diameter of the object. None of these Both A & B The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. None of these Both A & B The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
Physics The sharpness of a television image is termed as its Clarity Resolution Graphics Colour Clarity Resolution Graphics Colour ANSWER DOWNLOAD EXAMIANS APP
Physics For Gamma radiation, what stops its penetrating abilities? Lead Steal Concrete All of these Lead Steal Concrete All of these ANSWER DOWNLOAD EXAMIANS APP
Physics What is found in frequency modulation ? Fixed frequency Change in dimension only Change in frequency and dimension Fixed dimension Fixed frequency Change in dimension only Change in frequency and dimension Fixed dimension ANSWER DOWNLOAD EXAMIANS APP
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