Physics In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge? Black hole Asteroid belt Ozone hole White hole Black hole Asteroid belt Ozone hole White hole ANSWER DOWNLOAD EXAMIANS APP
Physics Who defined the law of gravitation ? Newton Faraday Galileo Archimedes Newton Faraday Galileo Archimedes ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 3.3 km, 0.30 km 2.8 km, 0.25 km 1.8 km, 0.15 km 2.2 km, 0.20 km 3.3 km, 0.30 km 2.8 km, 0.25 km 1.8 km, 0.15 km 2.2 km, 0.20 km ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Decreases with decrease in velocity. Is independent of its velocity. Decreases with increase in velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Is independent of its velocity. Decreases with increase in velocity. Increases with increase in velocity with respect to an observer. ANSWER DOWNLOAD EXAMIANS APP
Physics A thin oil film on a water surface appears coloured because of Reflection Diffraction Interference Polarization Reflection Diffraction Interference Polarization ANSWER DOWNLOAD EXAMIANS APP
Physics Beta rays emitted by a radioactive material are Electromagnetic radiations Charged particles emitted by nucleus Neutral particles The electrons orbiting around the nucleus Electromagnetic radiations Charged particles emitted by nucleus Neutral particles The electrons orbiting around the nucleus ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS