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Explain newtons cradle-A typical Newton's cradle consists of metal balls of identically sized in a series suspended in a metal frame ,so that they are just touching each other at rest. Each ball is gently attached to the frame by 2- wires of equal length and angled away from each other. This restricts the pendulum's movements to the same plane.
Newtons Cradle
Q. Illustrate why is there more friction when you push an object than when you pull it? Answer:- Friction doesn't differ depending upon whether an object is pushed or pull
A transformer takes a current of 1A when its primary is connected to a 300V, 50Hz supply, the secondary being on open-circuit. If the power absorbed is 120watts, Determine
A certain spring is known to obey Hooke's Law. If a force of 10 newtons stretches the spring 2 meters, how far will a 30 newton force stretch the spring? Ans: A certain spr
why value of g at center of earth is zero?
1,2,3,4,5
alkaline battery
Charging: During charging the device is linked across a source of D.C. supply having a voltage of about 3 volts. When the circuit is switched on the current flows inside the cell
What are the Electric Generators? An electric generator is a situation in which a loop of conducting wire rotates in an area with a magnetic field. During the first half of t
How is sensitive flame method used for detection of ultrasonic waves? Sensitive flame method: A narrow sensitive flame is shifted along the medium. At the situations of anti
Dispersion and Impure Spectrum: Dispersion : The phenomenon due to which a polychromatic light splits into component colours, when passed through a prism is called 'dispersion
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