Physics Universal gates are OR and NOT NAND and NOR AND and OR AND and XOR OR and NOT NAND and NOR AND and OR AND and XOR ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts electrical energy into mechanical energy Converts DC to AC Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Converts DC to AC Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear < 85 db > 85 db None of these = 85 db < 85 db > 85 db None of these = 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics According to the quantum theory of light, the energy of light is carried in discrete units are called Protons Photoelectrons Electrons Photons Protons Photoelectrons Electrons Photons ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following group of elements are diamagnetic? Hydrogen, oxygen, Argon Argon, copper, silver Oxygen, copper, silver Hydrogen, argon, copper Hydrogen, oxygen, Argon Argon, copper, silver Oxygen, copper, silver Hydrogen, argon, copper 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. 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 Both the photons have different energies. 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. The speeds of both the photons in vacuum are different Both the photons have different energies. ANSWER DOWNLOAD EXAMIANS APP
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