Physics Good conductor of electricity is Paper Dry air Graphite Kerosene Paper Dry air Graphite Kerosene ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is not a simple machine? A pair of scissors A ramp A lever The pulley A pair of scissors A ramp A lever The pulley ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement? Newton's second law Newton's third law Law of inertia Pascal's law Newton's second law Newton's third law Law of inertia Pascal's law ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 3.3 km, 0.30 km 2.8 km, 0.25 km 2.2 km, 0.20 km 1.8 km, 0.15 km 3.3 km, 0.30 km 2.8 km, 0.25 km 2.2 km, 0.20 km 1.8 km, 0.15 km ANSWER DOWNLOAD EXAMIANS APP
Physics If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound? 0.084027777777778 0.16736111111111 0.052777777777778 0.044444444444444 0.084027777777778 0.16736111111111 0.052777777777778 0.044444444444444 ANSWER DOWNLOAD EXAMIANS APP
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