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Ratio of share of profit of A:B = 800 : (x + 600) According to question, => [800/(x + 1400)] × 3200 = 1280 => 3200 = 1.6x + 2240 => x = 600
Which physical quantity has unit “Joule/second”?
A stream of water flowing horizontally with a speed of 20 m/s pushes out of a tube of cross-sectional area 10-1m2 and hits at a v...
A meter stick moves along its length with a certain speed. The apparent length of the moving meter stick as measured by a stationary observer on the gr...
The Mohs scale is used to measure:
A charged particle oscillates about its mean equilibrium position with a frequency of 105 Hz. What is the frequency of the electromagnetic wa...
In a convex lens, when the object is at infinity, then the position of image is ______.
Charges +q and –q are placed at (–d, 0) and (+d, 0). A third charge Q is placed at (0, x). For what value of x will the force on Q be maximum?
A sound wave has a frequency of 500 Hz and wavelength of 0.68 m. What is the speed of sound?
What is the work done when a force of 10 N moves an object by 5 m in the direction of the force?
