Physics Who is the first person to define speed Newton Galileo Ptolemy Kepler Newton Galileo Ptolemy Kepler ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is indicated by the colour of a star ? Weight Distance Size Temperature Weight Distance Size Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall Increases with height of the wall Depends on the thickness of the wall Depends on the area of the wall Increases with depth of the wall Increases with height of the wall Depends on the thickness of the wall Depends on the area of the wall Increases with depth of the wall ANSWER DOWNLOAD EXAMIANS APP
Physics Why does ice covered in sawdust not melt quickly ? Sawdust does not allow the air to touch the ice The water is absorbed by sawdust Sawdust is good conductor of heat Sawdust is a bad conductor of heat Sawdust does not allow the air to touch the ice The water is absorbed by sawdust Sawdust is good conductor of heat Sawdust is a bad conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C2>C1 C1pa = C2pg C1>C2 C1 = C2 C2>C1 C1pa = C2pg C1>C2 C1 = C2 ANSWER DOWNLOAD EXAMIANS APP
Physics A body moving in a circular path with a constant speed has a Constant velocity Constant displacement Constant acceleration Constant kinetic energy Constant velocity Constant displacement Constant acceleration Constant kinetic energy ANSWER DOWNLOAD EXAMIANS APP