Physics The modulus of rigidity is the ratio of Tensile stress to tensile strain Shearing stress to shearing strain Longitudinal stress to longitudinal strain Volume stress to volume strain Tensile stress to tensile strain Shearing stress to shearing strain Longitudinal stress to longitudinal strain Volume stress to volume strain ANSWER DOWNLOAD EXAMIANS APP
Physics A stone floor feels cold to the bare feet but a carpet on the same floor feels warm. This is because The floor and carpet are at different temperatures The carpet is a better conductor of heat than the stone The stone conveys the heat away from the feet more rapidly than the carpet The human body maintains a constant temperature The floor and carpet are at different temperatures The carpet is a better conductor of heat than the stone The stone conveys the heat away from the feet more rapidly than the carpet The human body maintains a constant temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of direct current is ________ 60 HZ Zero 100 HZ 50 HZ 60 HZ Zero 100 HZ 50 HZ ANSWER DOWNLOAD EXAMIANS APP
Physics A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct? The speeds of both the photons in vacuum are different Both the photons have different energies. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. The frequency of X-ray photon is higher than the frequency of visible radiation photon. The speeds of both the photons in vacuum are different Both the photons have different energies. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. The frequency of X-ray photon is higher than the frequency of visible radiation photon. ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Thermocouple Heliostats Photovoltaic cell Photodiode Thermocouple Heliostats Photovoltaic cell Photodiode ANSWER DOWNLOAD EXAMIANS APP
Physics When a bullet is fired from a gun The gun moves forward The gun does not move The gun recoils with the same momentum as the bullet The gun jumps up The gun moves forward The gun does not move The gun recoils with the same momentum as the bullet The gun jumps up ANSWER DOWNLOAD EXAMIANS APP