Physics Dynamo is a device for converting Magnetic energy into electrical energy Heat energy into electrical energy Mechanical energy into electrical energy Chemical energy into electrical energy Magnetic energy into electrical energy Heat energy into electrical energy Mechanical energy into electrical energy Chemical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics No current will flow between two charged bodies if they have the same Potential Charge Charge/ potential ratio Resistance Potential Charge Charge/ potential ratio Resistance 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 Heat transfer by conduction occurs when molecules Combine Collide Heated None of these Combine Collide Heated None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Propagation of sound can be visualised as propagation of ________ variations in the medium Density Elasticity Viscosity Porosity Density Elasticity Viscosity Porosity ANSWER DOWNLOAD EXAMIANS APP
Physics For a body moving with non-uniform velocity and uniform acceleration Velocity – Time graph is nonlinear Velocity – Time graph is linear Displacement – Time graph is non-linear Displacement – Time graph is linear Velocity – Time graph is nonlinear Velocity – Time graph is linear Displacement – Time graph is non-linear Displacement – Time graph is linear ANSWER DOWNLOAD EXAMIANS APP
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