Physics A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps The ball will travel towards the center of the circle and fall down It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down It will fall down at the same place where the string breaks None of these The ball will travel towards the center of the circle and fall down It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down It will fall down at the same place where the string breaks None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Adiabatic demagnetisation Thermo-electric effect Joule-Kelvin effect Super conductivity Adiabatic demagnetisation Thermo-electric effect Joule-Kelvin effect Super conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics An electric fuse is based on The magnetic effect of the current The heating effect of the current The chemical effect of the current All of these The magnetic effect of the current The heating effect of the current The chemical effect of the current All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Can be reflected or refracted Travel with the speed of light Have low penetrating power Can affect photographic plates Can be reflected or refracted Travel with the speed of light Have low penetrating power Can affect photographic plates ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Velocity ratio is low Force is applied in a convenient direction Efficiency is 100% Mechanical advantage is high Velocity ratio is low Force is applied in a convenient direction Efficiency is 100% Mechanical advantage is high ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of different masses are dropped simultaneously from the top of a building Both the stones reach the ground at the same time Depends on the composition of the stone Smaller stone reaches the ground earlier Larger stone reaches the ground earlier Both the stones reach the ground at the same time Depends on the composition of the stone Smaller stone reaches the ground earlier Larger stone reaches the ground earlier ANSWER DOWNLOAD EXAMIANS APP
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