Physics It is easier to roll a barrel full of coal tar than to pull it because the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier for a man to swim in sea water, than in river water because The sea is-deeper than the river The sea is wider than the river The density of sea water is lesser than the density of river water The density of sea water is more than the density of river water The sea is-deeper than the river The sea is wider than the river The density of sea water is lesser than the density of river water The density of sea water is more than the density of river water ANSWER DOWNLOAD EXAMIANS APP
Physics The sparkling of a diamond is due to Interference of light Total internal reflection of light Polarisation of light Refraction of light Interference of light Total internal reflection of light Polarisation of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following game, players must have the knowledge of Pascal's law? Rafting Climbing Paragliding Scuba diving Rafting Climbing Paragliding Scuba diving ANSWER DOWNLOAD EXAMIANS APP
Physics Mud houses are cooler in summers and warmer in winters as compared to brick houses because Mud is a bad conductor Mud is a poor insulator Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters Mud is a good conductor Mud is a bad conductor Mud is a poor insulator Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters Mud is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? It expands or contracts according to its coefficient of expansion Expands Contracts It expands or contracts according to its diameter It expands or contracts according to its coefficient of expansion Expands Contracts It expands or contracts according to its diameter ANSWER DOWNLOAD EXAMIANS APP
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