Physics Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre? 3.75 diopters -11.25 diopters -3.75 diopters 11.25 diopters 3.75 diopters -11.25 diopters -3.75 diopters 11.25 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Which conduct electricity only at super-high temperatures Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures Which turn into insulators at very low temperatures Which conduct electricity only at super-high temperatures Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures Which turn into insulators at very low temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river what will be the effect? It lowers It rises a little It jolts It sways It lowers It rises a little It jolts It sways ANSWER DOWNLOAD EXAMIANS APP
Physics In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge? Black hole Asteroid belt White hole Ozone hole Black hole Asteroid belt White hole Ozone hole ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 2 1.5 1 1.2 2 1.5 1 1.2 ANSWER DOWNLOAD EXAMIANS APP
Physics Weight of a body is maximum at the: Pole Subtropics Equator Tropics Pole Subtropics Equator Tropics ANSWER DOWNLOAD EXAMIANS APP
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