SINDH MDCAT 2019 Mdcat 2019 ( PART 18) 1. The velocity of particle is related to time according to equation v =Ct^3 . The dimensions of constant c are _____ . 2. What should the distance of an object from a convex lens of focal length f=10 cm in order to produce an erect image twice as large as the object? 05 cm from the lens 20 cm from the lens 15 cm from the lens 10 cm from the lens 3. The scalar or Dot product of Vectors (3i – 2j + 4k) and (2i + 2j -3 k) is _____ . -10 -9 10 -11 4. The sum of Kinetic Energy and the Potential Energy is always constant provided _____ motion. There is greater force of friction involved during Body is in simple harmonic There is less force of friction Involved during No force of friction Involved during 5. Three times decrease in the distance between the plates of a parallel plate capacitor will _____ . Increase the capacitance six times Decrease the capacitance three times Decrease the capacitance nine times Increase the capacitance three times 6. A car of mass 1200 Kg initially at rest has been accelerated to speed of 8 m/s in 16 meters. Average acceleration of car is _____ m/s and Force is _____ N. 3.5 and 3500 1.5 and 1500 2.5 and 2400 2 and 2400 7. In SI system of units, the fundamental units of length, mass, and time are _____, _____ and _____ respectively, Meter, Kilogram and Kilo-second Meter, Kilogram and Second Centimeter, Centigram and Second Kilometer, Kilogram and Hour 8. In Nuclear Physics the mass defect Is referred to _____ . Difference between atomic mass and atomic number Difference in masses of free nuclear constituent and bonded nucleus Difference in masses of free neutrons and bonded nucleus Difference in masses of free neutron and proton 9. The formula for Paschen series for Hydrogen spectrum is _____ . B D A C 10. The necessary condition for the Boyle’s law to hold is that the process must be _____ . Isochoric Isobaric Isothermal Adiabatic Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
