Let tap ‘A’ fill the tank and tap ‘B’ empty the tank. Taking LCM of 14 and 21 = 42 Efficiency of A = 3 Efficiency of (A – B) = 2 Efficiency of B = 3 – 2 = 1 Tap B will empty the tank = 42/1 = 42 So, tap B will empty the tank in 42 hours.
Assume a parallel plate capacitor which is maintained at potential of 100 V. If the partition distance between the plates of the capacitor and area of ...
The Mohs scale is used to measure:
What does the slope of a velocity-time graph represent?
An athlete can jump farther by running before jumping due to which type of inertia?
Which of the following is a reason for excessive current in electrical circuits?
I. Direct touching of wires
II. Connection of many d...
What is the SI unit of magnetic flux?
What is the rate of change of momentum called?
Which of the following is a characteristic of sound waves?
The group velocity of matter waves associated with a moving particle is:
When a cannonball is fired, its motion is an example of which type of motion?
