Physics In a refrigerator what produces the cooling ? None of these The ice which deposits on the freezer The sudden expansion of a compressed gas The evaporation of a volatile liquid None of these The ice which deposits on the freezer The sudden expansion of a compressed gas The evaporation of a volatile liquid ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Reflect lights of different colours Refract light of different colours Dispense light into component colours Transmit or absorb light of different colours Reflect lights of different colours Refract light of different colours Dispense light into component colours Transmit or absorb light of different colours ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is a magnifying glass? Converging Spherical Achromatic Diverging Converging Spherical Achromatic Diverging ANSWER DOWNLOAD EXAMIANS APP
Physics In superconductors, the energy gap is due to Electron-phonon interaction Electron-electron interaction Electron-photon intercation Phonon-phonon interaction Electron-phonon interaction Electron-electron interaction Electron-photon intercation Phonon-phonon interaction ANSWER DOWNLOAD EXAMIANS APP
Physics At hill stations, the boiling point of water will be Less than that at sea level Same as at sea level More than that at sea level Equal to the melting point of ice Less than that at sea level Same as at sea level More than that at sea level Equal to the melting point of ice ANSWER DOWNLOAD EXAMIANS APP
Physics Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct? 1 and 2 only 2 and 3 only 1, 2 and 3 1 only 1 and 2 only 2 and 3 only 1, 2 and 3 1 only ANSWER DOWNLOAD EXAMIANS APP
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