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Daily Question Banks for Engineering Entrance and Board Exams
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| Questions |
Physics |
Multiple Choice Question with Only One Choice Correct
The melting point of substances that contract on melting
(a) decreases with increase in pressure
(b) increases with increase in pressure
(c) decreases at first and then increases with increase in pressure
(d) is independent of pressure |
Chemistry |
Fill in the Blank :
The unit cell of diamond is ......... .
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Mathematics |
| For the circle x2 + y2 = r2, find the value of r for which the area enclosed by the tangents drawn from the point P(6, 8) to the circle and the chord of contact is maximum. |
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