Physics A ball is thrown vertically upward from the ground. It crosses a point at the height of 25 m twice at an interval of 4 seconds. The ball was thrown with the velocity of 36 m/s 30 m/s 25 m/s 18 m/s 36 m/s 30 m/s 25 m/s 18 m/s 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 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 Depends on the speeds of various fragments ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Fan supplies cool air Fan cools the air Conductivity of air increases Our perspiration eva-porates rapidly Fan supplies cool air Fan cools the air Conductivity of air increases Our perspiration eva-porates rapidly ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a barrel full of coal tar than to pull it because more surface area of the barrel is in contact with the road when it is pulled the full weight of the barrel comes into play when it is pulled the rolling friction is much less than the sliding friction coal tar is a liquid and it flows in the barrel when it is rolled more surface area of the barrel is in contact with the road when it is pulled the full weight of the barrel comes into play when it is pulled the rolling friction is much less than the sliding friction coal tar is a liquid and it flows in the barrel when it is rolled ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of water in the sea is due to Reflection of blue light by impurities in sea water Absorption of other colours except blue by water molecules Reflection of blue sky by sea water Scattering of blue light by water molecules Reflection of blue light by impurities in sea water Absorption of other colours except blue by water molecules Reflection of blue sky by sea water Scattering of blue light by water molecules ANSWER DOWNLOAD EXAMIANS APP
Physics What is the range of Strong Nuclear force? Very short Subnuclear size None Very short Nuclear size Infinite Very short Subnuclear size None Very short Nuclear size Infinite ANSWER DOWNLOAD EXAMIANS APP
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