Physics Sound waves cannot travel through Vacuum Solid Liquid Gas Vacuum Solid Liquid Gas ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is used to convert Electrical energy into magnetic energy Electrical energy into mechanical energy Magnetic energy into mechanical energy Mechanical energy into electrical energy Electrical energy into magnetic energy Electrical energy into mechanical energy Magnetic energy into mechanical energy Mechanical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Hysteresis Susceptibility independent of temperature Point in a particular direction Attracting a magnetic substance Hysteresis Susceptibility independent of temperature Point in a particular direction Attracting a magnetic substance 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? Both the photons have different energies. The frequency of X-ray photon is higher than the frequency of visible radiation photon. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. The speeds of both the photons in vacuum are different Both the photons have different energies. The frequency of X-ray photon is higher than the frequency of visible radiation photon. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. The speeds of both the photons in vacuum are different ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following was the first theory of superconductivity? Ginzburg Landau theory Quantum field theory Resonating valence bond theory London theory Ginzburg Landau theory Quantum field theory Resonating valence bond theory London theory ANSWER DOWNLOAD EXAMIANS APP
Physics The moment of inertia of a body does not depend upon its Form of mass Axis of rotation Angular velocity Distribution of mass Form of mass Axis of rotation Angular velocity Distribution of mass ANSWER DOWNLOAD EXAMIANS APP
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