Physics Transformer is a device to convert Low voltage D.C. into high voltage D.C. Low voltage A.C. into high voltage A.C. C. to A.C. Mechanical energy into Electrical energy Low voltage D.C. into high voltage D.C. Low voltage A.C. into high voltage A.C. C. to A.C. Mechanical energy into Electrical energy 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 speeds of both the photons in vacuum are different 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. Both the photons have different energies. 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. ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is the value of one nanometer? 10-7 cm 10-3 cm 10-6 cm 10-4 cm 10-7 cm 10-3 cm 10-6 cm 10-4 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted. Rough black Rough white Shining black Shining white Rough black Rough white Shining black Shining white ANSWER DOWNLOAD EXAMIANS APP
Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 400J 40J 200J 20 J 400J 40J 200J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics The force that binds the neutrons and protons in a nucleus is called as: Strong Nuclear Force Gravitational Force Electromagnetic Force Weak Nuclear Force Strong Nuclear Force Gravitational Force Electromagnetic Force Weak Nuclear Force ANSWER DOWNLOAD EXAMIANS APP
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