Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 20 J 200J 40J 400J 20 J 200J 40J 400J ANSWER DOWNLOAD EXAMIANS APP
Physics What is the escape velocity of the rocket in the earth? 12.2 km/sec 11.2 km/sec 13.2 km/sec 10.2 km/sec 12.2 km/sec 11.2 km/sec 13.2 km/sec 10.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of transmission depends upon Neither A nor B Nature of signal only Nature of medium only Both (A) and (B) Neither A nor B Nature of signal only Nature of medium only Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Physics A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ? Sphere Disk Both reach at the same time Depends on their masses Sphere Disk Both reach at the same time Depends on their masses ANSWER DOWNLOAD EXAMIANS APP
Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Super-conductor Metallic-conductor Insulator Semi-conductor Super-conductor Metallic-conductor Insulator Semi-conductor ANSWER DOWNLOAD EXAMIANS APP
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