Physics If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will Fall into his hand None of these Fall in front of him Fall behind him Fall into his hand None of these Fall in front of him Fall behind him ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on the principle of refraction scattering interference total internal reflection principle of refraction scattering interference total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 8500 A° – 9800 A° 1300 A°–3000 A° 3900 A° – 7600 A° 7800 A° – 8000 A° 8500 A° – 9800 A° 1300 A°–3000 A° 3900 A° – 7600 A° 7800 A° – 8000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics What are the particles emitted by radioactive element after 3 consecutive disintegration? 2 beta 2 alpha 2 beta 1 alpha 2 alpha 1 beta 1 alpha 1 beta 2 beta 2 alpha 2 beta 1 alpha 2 alpha 1 beta 1 alpha 1 beta ANSWER DOWNLOAD EXAMIANS APP
Physics Friction is caused by the ________ on the two surfaces in contact. Irregularities Densities Gaps Smoothness Irregularities Densities Gaps Smoothness ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is exhibiting kinetic energy? A person sitting on a couch while watching TV An archer with a flexed bow A space station orbiting Earth All of these A person sitting on a couch while watching TV An archer with a flexed bow A space station orbiting Earth All of these ANSWER DOWNLOAD EXAMIANS APP
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