BALOCHISTAN MDCAT PAPER 2021 BALOCHISTAN PAPER 2021 ( PART 3 ) 1. Which of the following is the lightest particle? Photon Neutron Proton Electron 2. What is the momentum of a photon with wavelength and Planck constant (h)? P= 0 P= 2h P=∞ P= h/λ 3. The force between two charges in air is F. What will happen to the force if a metal is placed between the two charges? The force will decrease The force will increase The force will become zero The force will remain the same 4. X-ray production is the opposite of: Electromagnetic radiation Photoelectric effect Radioactive decay Compton scattering 5. The mass of a moving car is 1000 kg, its velocity is 20 m/s, and the speed of the car’s engine is 3000 RPM. What is the approximate power of the car? 12k W 6k W 2k W 18k W 6. What is the number of revolutions in 1260 degrees? 1 revolution 4 revolutions 2 revolutions 3.5 revolutions 7. What is the statement of the law of conservation of mechanical energy? Total energy is the sum of kinetic energy Kinetic energy plus potential energy equals a constant Work is equal to the change in kinetic energy Energy can be created or destroyed 8. What type of wave does not carry energy? Stationary wave Longitudinal wave Transverse wave Electromagnetic wave 9. For sterilization, the waves used are: Radio waves Microwaves Sound waves Ultraviolet waves 10. What is a galvanometer used for? Measuring temperature Amplifying sound Detecting electric current Measuring pressure Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11
I can need this page you can help me
Thank you, Sidra Bashir, for visiting mdcat1.com! We greatly appreciate your valuable feedback. Please mention the page number.