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An electric bulb is rated 220 V and 100 W.When it is operated on 110 V, the power consumed will be.Ans) P=V*II will be same in both casessoP1=V1*IP2=V2*IDividing both equations,P1/P2=V1/V2100/P2=220/110P2=50 (Ans)
c). at what speed does it hit the ground? d). what total length of time is the ball in the air
Describe the Michelson Morley's experiment and explain its negative result. What is "Length Contraction" and "Time Dilation" in relativistic mechanics? Explain.
DERIVATION OF ANGLE OF DEVITAION
A 10 kilogram mass rests on a horizontal frictionless surface. A horizontal force of 5 Newtons is applied to the mass. After the force has been applied for 1 second, the velocity
Gamma Rays: The wave length of gamma rays is less than 10-11 m.
When current is passed by a junction of two dissimilar solids, the temperature is either evolved or absorbed at the node. This effect is known as Peltier effect
#question.on which factor ionization and penetration depend ? how william cloud methode work to decet charge ?.
If two forces P & Q act at such an angle that the resultant force r=p. Then show that if P is doubled the new resultant is at right angle Q and it's value is ( 4P 2 -Q 2 ) 1/2
Ultraviolet catastrophe: A shortcoming of the Rayleigh-Jeans formula, that tries to explain the radiancy of a blackbody at several frequencies of the electromagnetic spectrum.
A 4μF capacitor is connected in parallel with a 6μF capacitor. This arrangement is then linked in series with a 10μF capacitor. A supply p.d. of 250V is linked across the circ
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