Physics Electric Motor converts ________ energy to mechanical energy Electrical Chemical Mechanical Sound Electrical Chemical Mechanical Sound ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetism in materials is due to Electrons at rest Circular motion of electrons Protons at rest All neutrons at rest Electrons at rest Circular motion of electrons Protons at rest All neutrons at rest ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Control the speed of train Keep the rails equidistant Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Control the speed of train Keep the rails equidistant Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because of Emision of blue wavelength by the sun Atmospheric water vapour Scattering of light Reflection on sea water Emision of blue wavelength by the sun Atmospheric water vapour Scattering of light Reflection on sea water ANSWER DOWNLOAD EXAMIANS APP
Physics Force of impact is the force By the objects weight None of these When the objects meet By the speed of the object By the objects weight None of these When the objects meet By the speed of the object 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 frequency of X-ray photon is higher than the frequency of visible radiation photon. Both the photons have different energies. 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 The frequency of X-ray photon is higher than the frequency of visible radiation photon. Both the photons have different energies. 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
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