Physics In a railway track, two rails are joined end to end with a gap in between them because Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that two large ships travelling on close parallel courses in the same direction tend to move towards each other can be explained by Earth's gravitational force Newton's third law of motion Magnetic properties of the ship's material Bernoulli's principle Earth's gravitational force Newton's third law of motion Magnetic properties of the ship's material Bernoulli's principle ANSWER DOWNLOAD EXAMIANS APP
Physics The layer of atmosphere used for radio-wave transmission is Chromosphere Ionosphere Stratosphere Troposphere Chromosphere Ionosphere Stratosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Physics Force of impact is the force By the objects weight When the objects meet None of these By the speed of the object By the objects weight When the objects meet None of these By the speed of the object ANSWER DOWNLOAD EXAMIANS APP
Physics The energy emitted by the Sun is due to Nuclear fission All of these Nuclear fusion Chemical reaction Nuclear fission All of these Nuclear fusion Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Physics A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to Inertia of motion Outward pull on him Change in acceleration Change in momentum Inertia of motion Outward pull on him Change in acceleration Change in momentum ANSWER DOWNLOAD EXAMIANS APP
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