Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 1 T 8 T 4 T 2 T 1 T 8 T 4 T 2 T ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels fastest in Vacuum Glass Water Air Vacuum Glass Water Air ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Rowing a boat in the lake Driving a car to cover a distance Paddling the bicycle to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake Driving a car to cover a distance Paddling the bicycle to cover a distance Wind mill grinding wheat grain ANSWER DOWNLOAD EXAMIANS APP
Physics A voltaic cell converts chemical energy to Mechanical energy Electrical energy Light energy Heat energy Mechanical energy Electrical energy Light energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: They have high melting point. They contain free electrons. The atoms are lightly packed. All of these They have high melting point. They contain free electrons. The atoms are lightly packed. All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays can cause Burning Fever Gene mutation Sneezing Burning Fever Gene mutation Sneezing ANSWER DOWNLOAD EXAMIANS APP
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