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 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 Increases with height of the wall Depends on the thickness of the wall ANSWER DOWNLOAD EXAMIANS APP
Physics A body is initially moving with a velocity of 5 m/s. It undergoes an acceleration of 2 m/s2 for 4 seconds. Find the displacement (in m) of this body in these 4 seconds. 4 36 8 72 4 36 8 72 ANSWER DOWNLOAD EXAMIANS APP
Physics Lakes freeze in cold countries in winter, leaving the water underneath at 0°F 0°C 4°F 4°C 0°F 0°C 4°F 4°C ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the product of speed of light in medium and in vacuum. None of above It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the product of speed of light in medium and in vacuum. None of above ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic brakes in automobile work on Pascal's principle Bernoulli's principle Poiseuille's principle Archimedes' principle Pascal's principle Bernoulli's principle Poiseuille's principle Archimedes' principle ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms A virtual image An image type which depends on object characteristics An image type which depends on lens curvature A real image A virtual image An image type which depends on object characteristics An image type which depends on lens curvature A real image ANSWER DOWNLOAD EXAMIANS APP