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 thickness of the wall Increases with depth of the wall Increases with height of the wall Depends on the area of the wall Depends on the thickness of the wall Increases with depth of the wall Increases with height of the wall Depends on the area of the wall ANSWER DOWNLOAD EXAMIANS APP
Physics Working of safety fuses depends upon1. magnetic effect of the current2. chemical effect of the current3. magnitude of the current4. heating effect of the currentSelect the correct answer using the code given below. 1, 2 and 3 only 4 only 1, 2, 3 and 4 3 and 4 only 1, 2 and 3 only 4 only 1, 2, 3 and 4 3 and 4 only ANSWER DOWNLOAD EXAMIANS APP
Physics During thunderstorm you are travelling in a car. To protect yourself from the lightning you will have to Touch the nearest electric pole Get out of the car and lie flat in the ground Remain in the car Abandon the car and take shelter under a nearby tree Touch the nearest electric pole Get out of the car and lie flat in the ground Remain in the car Abandon the car and take shelter under a nearby tree ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? The liquid boils No change The liquid cools The liquid evaporates The liquid boils No change The liquid cools The liquid evaporates ANSWER DOWNLOAD EXAMIANS APP
Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because Stone is heavier than parachute A parachute has a larger surface area and air resistance is more None of these Special mechanisms are present in parachute Stone is heavier than parachute A parachute has a larger surface area and air resistance is more None of these Special mechanisms are present in parachute ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms A real image An image type which depends on lens curvature A virtual image An image type which depends on object characteristics A real image An image type which depends on lens curvature A virtual image An image type which depends on object characteristics ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS