Physics Ohm's law is valid in case of Superconductor Insulator Conductor Semiconductor Superconductor Insulator Conductor Semiconductor ANSWER DOWNLOAD EXAMIANS APP
Physics The metal used to make lightning conductors is Aluminium Iron Zinc Copper Aluminium Iron Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Physics In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie ? Infrared Ultraviolet Visible X-ray Infrared Ultraviolet Visible X-ray ANSWER DOWNLOAD EXAMIANS APP
Physics A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank? The liquid surface falls down only at the center of the tank The surface of the liquid remains horizontal None The liquid surface falls down on the direction of motion and rises up on the back side of the tank The liquid surface falls down only at the center of the tank The surface of the liquid remains horizontal None The liquid surface falls down on the direction of motion and rises up on the back side of the tank ANSWER DOWNLOAD EXAMIANS APP
Physics The following particles move with same kinetic energy. Which of them has maximum momentum ? Electron Proton Deutron Alpha Particle Electron Proton Deutron Alpha Particle 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 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 ANSWER DOWNLOAD EXAMIANS APP