Physics Why does ice covered in sawdust not melt quickly ? The water is absorbed by sawdust Sawdust does not allow the air to touch the ice Sawdust is a bad conductor of heat Sawdust is good conductor of heat The water is absorbed by sawdust Sawdust does not allow the air to touch the ice Sawdust is a bad conductor of heat Sawdust is good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics What is the value of 1 kW = ? 100 W 10000 W 10 W 1000 W 100 W 10000 W 10 W 1000 W ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Keep the rails equidistant Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Keep the rails equidistant Avoid the heating of tracks to high temperature Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a freely falling body is an example of ________ motion. Constant speed Constant velocity Uniformly accelerated Non-uniformly accelerated Constant speed Constant velocity Uniformly accelerated Non-uniformly accelerated ANSWER DOWNLOAD EXAMIANS APP
Physics Ventilators are provided near the ceiling of the room because The exhaled warmer air rises up and goes out These provide cross ventilation in the room These do not look nice in the lower part These provide some sunlight in the room The exhaled warmer air rises up and goes out These provide cross ventilation in the room These do not look nice in the lower part These provide some sunlight in the room ANSWER DOWNLOAD EXAMIANS APP
Physics The bending of light when it passes around a corner or a slit is due to ________ Refraction Total internal reflection Reflection Diffraction Refraction Total internal reflection Reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
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