Physics When a bar magnet is cut into two equal halves, the pole strength of each piece – Becomes double Becomes zero Becomes half Remains the same Becomes double Becomes zero Becomes half Remains the same ANSWER DOWNLOAD EXAMIANS APP
Physics A star appears twinkling in the sky because of Diffraction of light by atmosphere Reflection of light by atmosphere Scattering of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere Reflection of light by atmosphere Scattering of light by atmosphere Refraction of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Large astronomical telescopes always use as objective combinations of lenses None of these lens mirror combinations of lenses None of these lens mirror ANSWER DOWNLOAD EXAMIANS APP
Physics A body absorbs heat most if it is White and smooth Black and rough Black and smooth White and rough White and smooth Black and rough Black and smooth White and rough ANSWER DOWNLOAD EXAMIANS APP
Physics In superconductors, the energy gap is due to Electron-phonon interaction Electron-photon intercation Electron-electron interaction Phonon-phonon interaction Electron-phonon interaction Electron-photon intercation Electron-electron interaction Phonon-phonon interaction ANSWER DOWNLOAD EXAMIANS APP
Physics A nuclear reactor is said to have become 'critical' when It is ready to produce controlled energy It is shut down to avoid explosion It stops due to malfunctioning It starts emitting dangerous radioactive radiations It is ready to produce controlled energy It is shut down to avoid explosion It stops due to malfunctioning It starts emitting dangerous radioactive radiations ANSWER DOWNLOAD EXAMIANS APP
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