Physics A hydrogen balloon floats up because of Air pressure decreases with decrease in height Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. ANSWER DOWNLOAD EXAMIANS APP
Physics Where do the electrical charges reside in a charged conductor? Throughout the body At the core Depended upon the nature of the body Outer surface of the body Throughout the body At the core Depended upon the nature of the body Outer surface of the body ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing on a edge of a cliff throws a stone vertically upwards with a certain speed. He then throws another stone downwards with the same speed. Find the ratio of the speeds of the two stones when they hit the ground. 0.043055555555556 0.042361111111111 Cannot be found from the given information. 0.044444444444444 0.043055555555556 0.042361111111111 Cannot be found from the given information. 0.044444444444444 ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments Depends on the speeds of various fragments Depends on the total mass of all the fragments Is zero Is infinity Depends on the speeds of various fragments Depends on the total mass of all the fragments Is zero Is infinity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following instrument is used to measure Soil Water Tension? Tensiometer Psychrometer Photometer Pyrometer Tensiometer Psychrometer Photometer Pyrometer ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for formation of Mirage in desert? Total internal reflection of light Reflection of light Refraction of light Both Refraction and Total internal reflection of light Total internal reflection of light Reflection of light Refraction of light Both Refraction and Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP