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 Depends on the thickness of the wall Increases with height of the wall Increases with depth of the wall Depends on the area of the wall Depends on the thickness of the wall Increases with height of the wall Increases with depth of the wall ANSWER DOWNLOAD EXAMIANS APP
Physics A person does some work of 1,000 J in 2 s. His power will be ________ 25W 1000W 500W 50W 25W 1000W 500W 50W ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity required to place a vehicle in orbit around the moon is ________ that required to place it in orbit round the earth. Greater than Equal to Less than Greater than or equal to Greater than Equal to Less than Greater than or equal to ANSWER DOWNLOAD EXAMIANS APP
Physics At the center of the sun, fusion converts hydrogen into Carbon Plutonium Water Helium Carbon Plutonium Water Helium ANSWER DOWNLOAD EXAMIANS APP
Physics Kepler's law of planetary motion states that the square of the time period is proportional to the Fourth power of the semi-major axis Semi-major axis Square of the semi-major axis Cube of the semi-major axis Fourth power of the semi-major axis Semi-major axis Square of the semi-major axis Cube of the semi-major axis ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Sound travels slowly in moist air Sound travels faster in moist air Moist air does not absorb sound Moist air absorbs sound Sound travels slowly in moist air Sound travels faster in moist air Moist air does not absorb sound Moist air absorbs sound ANSWER DOWNLOAD EXAMIANS APP