Physics Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? Moon Venus Earth Saturn Moon Venus Earth Saturn ANSWER DOWNLOAD EXAMIANS APP
Physics A good conductor while carrying current is Negatively charged Alternately charged positive and negative Positively charged Electrically neutral Negatively charged Alternately charged positive and negative Positively charged Electrically neutral ANSWER DOWNLOAD EXAMIANS APP
Physics The rotational effect of a force on a body about an axis of rotation is described in terms of Centrifugal force Moment of force Centre of gravity Centripetal force Centrifugal force Moment of force Centre of gravity Centripetal force ANSWER DOWNLOAD EXAMIANS APP
Physics For which one of the following does the centre of mass lie outside the body? A cricket ball A fountain pen A ring A book A cricket ball A fountain pen A ring A book ANSWER DOWNLOAD EXAMIANS APP
Physics Water cannot be used to extinguish fire caused by electric current, because It may cause electrocution It may spoil the wiring It may cause electrolysis It may cause hydrolysis It may cause electrocution It may spoil the wiring It may cause electrolysis It may cause hydrolysis 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 coal tar is a liquid and it flows in the barrel when it is rolled 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 the full weight of the barrel comes into play when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the rolling friction is much less than the sliding friction ANSWER DOWNLOAD EXAMIANS APP