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M P Keshari

Posts Tagged ‘Medical’

PHYSICS

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PHYSICS – XII OBJECTIVE TYPE QUESTION MULTIPLE CHOICE Direction :- Choose the suitable alternative from the following :   Q.1.     A charge q is placed at the centre of the line joining two equal positive charges Q.   The system of the three charges will be in equilibrium, if q is equal to :   [...]

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PHYSICS

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PHYSICS – XII   OBJECTIVE TYPE QUESTION   MULTIPLE CHOICE Direction :- Choose the appropriate alternative from the following :   Q.1.     Two small spheres each having the charge q are suspended by insulating threads   of length l from a hook. This arrangement is taken in space, where there is no   gravitational effect. [...]

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PHYSICS

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PHYSICS – XII   OBJECTIVE TYPE QUESTION   MULTIPLE CHOICE   Direction :- Choose the correct alternative from the following :   Q.1.     Five balls numbered 1 to 5 are suspended using separate threads. Pairs (1,2), (2,4)   and (4,1) show electrostatic attraction, while pairs (2,3) and (4,5) show repulsion.   Therefore, ball 1 must [...]

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PHYSICS

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PHYSICS – XII   OBJECTIVE TYPE QUESTION   MULTIPLE CHOICE     Direction :- Choose the correct alternative from the following :   Q.1.     A soap bubble is given a negative charge. Then, its radius :   (a) decreases                                                                (b) increases   (c) remains unchanged                                                (d) unpredictable   Q.2.     The strength of the [...]

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PHYSICS

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PHYSICS – XII   OBJECTIVE  TYPE QUESTION   MULTIPLE CHOICE   Direction :- Choose the correct alternative from the following :   Q.1.     A charge q1 exerts some force on a second charge q2. A third charge q3 is brought   near. Then, force exerted by q1 on q2 will :   (a) decrease in [...]

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PHYSICS

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  PHYSICS – XII   OBJECTIVE   MULTIPLE CHOICE     Direction :- Choose the correct alternative from the following :   Q.1.     When air is replaced by a dielectric medium of dielectric constant K, the   maximum force of attraction between two charges separated by a distance :   (a) decreases K times                          [...]

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PHYSICS

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PHYSICS   OBJECTIVE  TYPE QUESTION   MULTIPLE CHOICE   Direction :- Choose the correct alternative from the following :   Q.1.     Three charges +4q , Q and q are placed in a straight line of length l at points at   distances 0, l/2 and l respectively. The value of Q in order to make [...]

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PHYSICS

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PHYSICS   OBJECTIVE  TYPE  QUESTION   MULTIPLE CHOICE   Direction :- Choose the appropriate alternative from the following :   Q.1.     Force between two stationary charges , when placed in free space is 10 N. If they   are placed in a medium of relative permittivity 5, the force between them is :   (a) [...]

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PHYSICS

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PHYSICS   OBJECTIVE TYPE QUESTION   MULTIPLE CHOICE     Direction :- Choose the correct alternative from the following :   Q.1.     A polythene piece rubbed with wool is found to have a negative charge of   1.6×10-6 C. (The charge on electron is 1.6×10-19 C). Then, the number of electrons   transferred is : [...]

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PHYSICS

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PHYSICS for COMPETITION   OBJECTIVE TYPE QUESTION   MULTIPLE CHOICE     Direction – Choose the correct alternative from the following :-   Q.1.     Static electricity is produced due to :   (a) friction       (b) conduction             (c) induction                (d) both a and c   Q.2.     A cube of side b has [...]

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