Physics Water is not suitable as a calorimetric substance because it : Is a good conductor Low latent heat of vapourization Has high boiling point Has high specific heat Is a good conductor Low latent heat of vapourization Has high boiling point Has high specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics Why does the sea appear blue in colour? Reflection of the sun light from water surface Scattering of the sunlight by water molecules Interference of the sun light from water surface Refraction of the sun light Reflection of the sun light from water surface Scattering of the sunlight by water molecules Interference of the sun light from water surface Refraction of the sun light ANSWER DOWNLOAD EXAMIANS APP
Physics A solid needle placed horizontally on the surface of the water floats due to Surface tension of water Water pressure Capillary action Viscosity of water Surface tension of water Water pressure Capillary action Viscosity of water 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 wavelength of X-ray photon is less than the wavelength of visible radiation photon. Both the photons have different energies. 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 The wavelength of X-ray photon is less than the wavelength of visible radiation photon. Both the photons have different energies. 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 ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river what will be the effect? It jolts It lowers It rises a little It sways It jolts It lowers It rises a little It sways ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 3R/4 5R/4 R/2 2R 3R/4 5R/4 R/2 2R ANSWER DOWNLOAD EXAMIANS APP