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Q. Explain the magnetize of metal?
Answer:-
You can rub a magnet alongside the metal in one direction for a bunch of times (the more the better) and that will magnetize it to some degree, but it's not permanent and will demagnetize if it is hit hard with something.
As well to magnetize something like a nail if you point one end north and hit the other end with a hammer it must weakly magnetize it. Regrettably it does not work every time.
The angular displacement of a body is a function of time and giving by equation h=10+3t+6t square,where t is in seconds.determine the angular velocity, acceleration when t=5seconds
Detail about Nicol prism
Q. Collector current I c =20 mA and base current I b = 50 A. Find current gain β of a transistor. β = I C / I B = 20 X 10 -3 / 50 X 10 -6 = 400
what would be the introduction to a moving ciol galvanometer
Q. In Young's double slit experiment the distance between the slits is 1.9 mm. The distance between the slit and the screen is 1 m. If the bandwidth is 0.35 mm Compute the waveleng
The average distance of an electron in an atom from its nucleus is of the order of: (1) 10 6 m (2) 10 -6 m (3) 10 -10 m (4)10 -15 m Ans: (3) 10 -10 m
why is the colour of sky blue
Eye Chamber: The ball is separated into two chamber, the aqueous chamber and the vitreous chamber. Working: Parallel rays from an object converged by the eye lens and b
Aluminium Atomic number 13 Symbol Al Atomic weight 26.98154 Discovery W
Factors which are affect velocity of sound in gaseous medium is (1) Effect of density (2) Effect of pressure (3) Effect of temperature : (4) Effect of humidity
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