Physics The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall Increases with height of the wall Depends on the thickness of the wall Depends on the area of the wall Increases with depth of the wall Increases with height of the wall Depends on the thickness of the wall Depends on the area of the wall Increases with depth of the wall ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre? -12.33 diopters 4.33 diopters 12.33 diopters -4.33 diopters -12.33 diopters 4.33 diopters 12.33 diopters -4.33 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics 'Therm' is the unit of Distance Heat Light Power Distance Heat Light Power ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of Planck's constant is Js2 J/s Js Js–2 Js2 J/s Js Js–2 ANSWER DOWNLOAD EXAMIANS APP
Physics Ice cubes are added to a glass of pure water and a glass of pure alcohol. The ice would be Floating in alcohol and sinking in water At the same level in both At a higher level in alcohol At a higher level in water Floating in alcohol and sinking in water At the same level in both At a higher level in alcohol At a higher level in water ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because Of the surface tension of mercury The density of mercury is greater than that of steel Of the high viscosity of mercury Mercury is a semisolid Of the surface tension of mercury The density of mercury is greater than that of steel Of the high viscosity of mercury Mercury is a semisolid ANSWER DOWNLOAD EXAMIANS APP