Question
Which of the following is used in laser printer to
transfer the image to the paper?Solution
Laser printers have become another familiar laser-based consumer product, often used in conjunction with personal computers. Their principle of operation involves electrophotography, also called xerography, the same process that is used in photocopy machines.Â
A 750-metre long train takes 15 seconds to cross a pole. If it takes 45 seconds to cross a bridge, then find the length of the bridge.
A train traveling at 43.2 km/h takes 'm' seconds to pass a pole. What is the length of the train in meters?
A train passes 150 m long platform in 10 seconds and a man standing on the platform in 8 seconds. Find the speed of the train?
A train can cross a pole in 30 seconds. While if the train increased its speed by 55% then time taken by it to cross 351 metres long platform is 42 seco...
A train 420 metre long takes 21 sec to cross a man running at a speed of 3 km/hr in the direction same to that of train. What is the speed of the train?
- The length of train 'P' is 'c' metres and that of train 'Q' is (c + 90) metres. If the speeds of train 'P' and 'Q' are 48 km/h and 60 km/h, respectively, a...
Humsafar express leaves Howrah station at a certain time. After 2 hours, Vande Bharat leaves the same station and travels in the same direction at a spe...
A goods train leaves a station at a certain time and at a fixed speed. After 10 hours, an express train leaves the same station and moves in the same di...
Train A running at speed of 72 km/hr crosses a platform having twice the length of train in 18 sec. Train B whose length is 300m crosses same platform i...
Two trains of equal lengths take 20 seconds and 30 seconds respectively to cross a telegraph post. If the length of each train be 240 metres, in what ti...
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