Sindh MDCAT 2018 paper MDCAT 2018 paper ( PART 5 ) 1. If a dielectric material is placed between two plates of a capacitor, the net capacitance of the capacitor: Zero Increases Remains constant Decreases 2. Let X be a radioactive element having N nuclei. TNN time required to decay this element to one half of its initial number N is known as: Law of radioactive decay Decay constant Decay Time Half life 3. When an electron and its anti-particle positron come close enough to each other, they completely convert into radiation energy in the form of photons, this process is called: Compton effect Annihilation of matter Photo electric effect Pair production 4. Which of the following phenomenon represents the wave nature of light? Interference of light Compton scattering Photoelectric effect Pair production 5. which process is shown in the graph between pressure and volume ? Isothermal Isochoric Isobaric Adiabatic 6. Equations of kinetics are valid only when the acceleration is: Increasing Decreasing Constant Vary with time 7. In simple harmonic motion, a particle is oscillating in such a way that its total energy remains conserved. When this particle reaches its two extreme positions, its potential energy at extreme positions becomes: Zero Maximum Greater than its kinetic energy Minimum 8. If current is flowing through a coil then flux through coil will become constant. In such typireboef arrangement the electro motive force end induced in coil wil : Back emf Zero Mutual-inductance Self-inductance 9. Law of heat exchange is used determine: Ideal gas constant Coefficient or linear expansion Coefficient of volume expansion Specific heat of substance 10. If a car collides with a housefly, what will he the magnitude of the force experienced by the housefly? 10 times less than the car experienced by the housefly Same as the car experienced by the housefly Much lesser than the car experienced by the housefly Much greater than the car experienced by the housefly Loading … Pages: 1 2 3 4 5 6 7 8 9 10
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