Question
Two pipes X and Y can fill a cistern in 21 hours and 24
hours, respectively. The pipes are opened simultaneously, and it is found that due to a leakage in the bottom, it takes 48 minutes more to fill the cistern. When the cistern is full, in how much time will the leak empty it if no pipe is open during that time?Solution
Which type of mirror is utilized in solar furnaces to focus sunlight and generate heat?
Heat stored in water vapour is –
The acceleration due to gravity ___________ with height
What is the cause of hypermetropia?
A ray of light from the object parallel to principal axis of a concave lens, after refraction appears to diverge from which point on the same side of th...
Which of the following is the least penetrating power rays ?
Which of the following wind is also known as “ICE HEATER?”
When two charged bodies are properly connected but do not exchange electric current, it indicates that they have the same _____.
What term describes the resistance of an object to changes in its state of motion or rest?
Water gets cooled, when ice is immersed in it. It is because of the phenomenon of
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