Physics Why does ice covered in sawdust not melt quickly ? The water is absorbed by sawdust Sawdust is good conductor of heat Sawdust does not allow the air to touch the ice Sawdust is a bad conductor of heat The water is absorbed by sawdust Sawdust is good conductor of heat Sawdust does not allow the air to touch the ice Sawdust is a bad conductor of heat ANSWER DOWNLOAD EXAMIANS APP
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 in front of him None of these Fall into his hand Fall behind him Fall in front of him None of these Fall into his hand Fall behind him ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? Moon Saturn Venus Earth Moon Saturn Venus Earth ANSWER DOWNLOAD EXAMIANS APP
Physics A needle or a pin floats on the surface of water because of Surface energy Adhesive force Surface tension Viscosity Surface energy Adhesive force Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 6 – 10 Hz 11 – 20 Hz 0 – 5 Hz 20 – 20000 Hz 6 – 10 Hz 11 – 20 Hz 0 – 5 Hz 20 – 20000 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following statements is true when we see ''rainbow' ? We face sun and raindrops In light rainfall, we face Sun The Sun remains behind us and we face raindrops The sky remains clear and the sun is at lower position in the sky We face sun and raindrops In light rainfall, we face Sun The Sun remains behind us and we face raindrops The sky remains clear and the sun is at lower position in the sky ANSWER DOWNLOAD EXAMIANS APP