UHS MCAT 2012 Mcqs PHYSICS: Sorry if any things wrong. 1.Calculate B in a solenoidwith 10cm length, 100 turns, with 1micro ampere current in it? 2.If bar magnet is hungfrom a rope . A solenoid is placed near it. If a magnet is moved inside thesolenoid then what will happen to the magnet hanging? A) it will move near thesolenoid B) it will move away 3.SI unit of equivalencedose is? 4.for the bomborment of x rays on target, target materialshould have the property of? 5. If source moves towards stationary object, then formula for changed frequency is? 6.if the Area of the each capacitor is doubled and thedistance between them becomes one half , what will be the value of capacitance a) inc. by 4 times b) inc. by 2 times c) remains same d) becomes half 7. half life of sodium 24? 8. ratio of tensile stressto tensile strain is called? 9.what will bw the apparent weight of the objct fallingwi an acceleration a zero b 2mg 10.if the length of simplependulum is doubled what will be the ratio ofnew old frequency to newwfrequency a underroot 2 b 1/underroot 2 c 1/2 d ¼ 11.the voltage applied across the capacitor is 10V en thecapacitance ov the capacitor is 1 micro Farad. what is the energy stored in thecapacitor ? 12.two wire placedvertically are carrying current in opposite directions .. which of thefollowing statement is true ? a) magnetic field in region x is weaker ascompared to y and z b) magnetic field in region x is stronger ascompared to both y and z c) magnetic field in region x is weaker ascompared to y but stronger as compared t z 13.A ball is moving insidea viscous fluid. The force acting on the ball is given by F=6pinrv. This iscalled a)stroke’s law 14.Efflux speed of the fluid is 9.8m/s. What will be the heightof the fluid? 15.Which one is the graph of a junction diode?
Posted on: Sun, 14 Jul 2013 16:11:50 +0000
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