Question
Who discovered the atomic
nucleus?Solution
Ernest Rutherford discovered the atomic nucleus through his famous gold foil experiment.
Train ‘A’ can cross a pole in 10 seconds and a 200 metre long platform in 14 seconds. If the ratio of length of train ‘A’ and train ‘B’ is 2...
Train A running with a sped of 18 km/h crosses a vertical pole in 7 seconds. Speed of train A is 6 m/s less than speed of train B, and length of train B...
How many seconds will a train 60 m in length, travelling at the rate of 40 km an hour, take to pass another train 90 m long, proceeding in the same dire...
- Two runners start from points R and S which are 198 km apart. Runner A starts from R at 5 a.m. at 36 km/h. Runner B starts from S at 6 a.m. towards R at 54...
A train can cross a pole in 42 seconds. While if the train increased its speed by 55% then time taken by it to cross 231 metres long platform is 42 seco...
A 240 m long train clears a platform of length 160 m in 16 seconds. The ratio of its speed to that of another train is 5:6. Find the length of the secon...
A person sees a train passing over 4 km long bridge. The length of the train is half that of bridge if the train clears the bridge in 4 mins. What is th...
Train A (180 m) runs at 60 km/h. Train B (270 m) runs at 90 km/h in the opposite direction. Find the time taken to cross each other completely.
A 260 m long train crosses a platform twice its length in 2 min. Find the speed of the train.
A train travelling with a speed of 108 km/h can cross a pole in 9 seconds. Find the time taken by the train to cross a 330 metres long platform if the s...
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