Question
Sky radiation is the radiation scattered by suspended
particles in the atmosphere. It is also known as:Solution
Diffuse Radiation is the part of total radiation that reaches earth’s surface after a change of its directions due to scattering by the atmosphere.Â
1200 metres long train crosses a man who is moving in the same direction with a certain speed, in 30 seconds. If the same train can cross a tree in 20 s...
A motor-cycle covers 125 km with a speed of 60 km/hr. find the speed of the motor-cycle for the next 125 km journey so that the average speed of the who...
A person crosses a 1600 m long street in 4 min. What is his speed (in km/h)?
A person goes 15 km at 5 km/h and returns 15 km at 3 km/h. Find the average speed for the whole journey.
Anshul lives on 18th floor and Keshav lives on 53th floor. Anshul goes up at a rate of 34 floors per minute and Keshav comes down at a rate of 36 floo...
- A car was driven for 2.5 hours at a speed of 100 km/h and then for 1.5 hours at a speed of 80 km/h. Find the car's average speed for the total journey.
A boy goes to school at 8 km/Hr and return at a speed of 7 km/hr. If he takes 15 hrs in all. Find the distance from his village to school?
Excluding the Stoppages i.e. Non-stop, the speed of a Bullet train is 810 km/h and including the stoppages, it is 720 km/h. Calculate for how many minut...
Car ‘M’ can cross a 480 metre long bridge in 16 seconds. Car ‘M’ is 128 metres ahead of car ‘N’ which is travelling in the same direction a...
A train running at 72 km/hr takes 20 seconds to pass a platform and the train takes 6.5 seconds to pass a car running at 36 km/hr in the opposite direct...
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