Physics Sound becomes hazardous noise pollution at decibels? Above 120 db Above 30 db Above 50 db Above 80 db Above 120 db Above 30 db Above 50 db Above 80 db ANSWER DOWNLOAD EXAMIANS APP
Physics The large collection of stars, dust and gas held together by gravitational attraction between components is known as Cluster Atmosphere Sun Family Galaxy Cluster Atmosphere Sun Family Galaxy ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb explodes on the moon. You will hear its sound on earth after ________ 20 minutes 2 hours 20 minutes 3.7 hours You cannot hear the sound of explosion 20 minutes 2 hours 20 minutes 3.7 hours You cannot hear the sound of explosion ANSWER DOWNLOAD EXAMIANS APP
Physics Lamberts law is related to Interference Reflection Illumination Refraction Interference Reflection Illumination Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics The basic reason for the extraordinary sparkle of suitably cut diamond is that It is very hard It has a very high transparency It has well defined cleavage planes It has a very high refractive index It is very hard It has a very high transparency It has well defined cleavage planes It has a very high refractive index ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 4 T 2 T 1 T 8 T 4 T 2 T 1 T 8 T ANSWER DOWNLOAD EXAMIANS APP
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