Question
In which process is a solid substance volatilised by
heating and the vapour is condensed back to the solid at a cold surface?Solution
The correct answer is D
A person is walking at 4 m/sec in the same direction of a train. The train crosses him in 5 seconds. If train speed is 72 km/hr, find the time it takes ...
Train ‘A’ travelling with a speed of 84 km/h can cross a pole in 12 seconds. If the length of train ‘B’ is 20% less than that of train ‘A’ a...
Train A, moving at 90 km/h, crosses a pole in 8 seconds. Find the time it takes to cross another train of equal length, coming from the opposite directi...
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 30 seconds and 20 seconds respectively. It took 24...
A person is walking at 4 m/sec in the same direction of a train. The train crosses him in 7 seconds. If train speed is 72 km/hr, find the time to cross ...
Train ‘X’ is 360 metres long and takes 18 seconds to pass a standing man. Speed of train ‘Y’ is 25 m/sec. If both trains are moving towards each...
A train 500 m long running at 90 km/hr takes 40 seconds to cross a bridge. The length of the bridge is
Train A and train B cross a pole in 8 sec and 9 sec respectively. Train A can cross a platform in 18 sec and train B can cross the same platform in 24 s...
A train 500 m long running at 108 km/hr takes 40 seconds to cross a bridge. The length of the bridge is
- A 220 metres long train, travelling at 60 km/h crosses a platform in 30 seconds. What is the length of the platform?
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