Physics What is the minimum escape velocity of rocket to be launched into space ? 6 Km/Sec. 5 Km/Sec. 11 Km/Sec. 15 Km/Sec. 6 Km/Sec. 5 Km/Sec. 11 Km/Sec. 15 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Semi conductors Superconductors Perfect conductors Dielectrics Semi conductors Superconductors Perfect conductors Dielectrics ANSWER DOWNLOAD EXAMIANS APP
Physics An image formed by a plane mirror, that cannot be obtained on a screen is called ________ Erect image Virtual image Real image Inverted image Erect image Virtual image Real image Inverted image ANSWER DOWNLOAD EXAMIANS APP
Physics If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is 12 cm 24 cm 6 cm 1 cm 12 cm 24 cm 6 cm 1 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Natural radioactivity was discovered by Enrico Fermi Henri Becquerel Ernest Rutherfor Marie Curie Enrico Fermi Henri Becquerel Ernest Rutherfor Marie Curie ANSWER DOWNLOAD EXAMIANS APP
Physics The term photon refers to Light ray None of these Radiation Sub atomic particle Light ray None of these Radiation Sub atomic particle ANSWER DOWNLOAD EXAMIANS APP
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