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Showing posts with label NEET 2003. Show all posts
Showing posts with label NEET 2003. Show all posts

44. If a ball is thrown vertically upwards with speed u, the distance covered during the last t seconds of its ascent is

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43. A man throws balls with the same speed vertically upwards one after the other at an interval of 2 seconds. What should be the speed of the throw so that more than two balls are in the sky at any time? [ Given g = 9.8 m/s2 ]

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95. Following diagram performs the logic function of ___ ?

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26. If a full wave rectifier circuit is operating from 50 Hz mains, the fundamental frequency in the ripple will be ?

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25. Barrier potential of a p − n junction diode does not depend on ___ ?

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24. Reverse bias applied to a junction diode ___ ?

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38. An equiconvex lens is cut into two halves along (i) XOX and (ii) Y OY as shown in the figure. Let f, f′, f′′ be the focal lengths of the complete lens, of each half in case (i), and of each half in case (ii), respectively. Choose the correct statement from the following.

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38. An equiconvex lens is cut into two halves along (i) XOX and (ii) Y OY as shown in the figure. Let f, f′, f′′ be the focal lengths of the...

37. A convex lens is dipped in a liquid whose refractive index is equal to the refractive index of the lens. Then its focal length will ?

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Three capacitors each of capacity 4μF are to be connected in such a way that the effective capacitance is 6μF. This can be done by ?

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A charge q is located at the centre of a cube. The electric flux through any face is ?

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An electron is moving round the nucleus of a hydrogen atom in a circular orbit of radius r. The Coulomb force F between the two is ___ ?

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