BALOCHISTAN MDCAT PAPER 2022 BUMHS 2022 PAPER ( PART 14 ) 1. For better results, actual spectrometer make use of Mica window Polarizers Diffraction grating Capactors 2. A bar magnet is falling inside a long copper tube. The acceleration of the magnet inside the copper tube is ? Greater than g Zero Equal to g Less than g 3. If a bulb has a 20W power, and is working at 50% efficiency. What is Its output power? 12W 18W 15W 20W 4. The longitudinal waves travel faster through: Plasma Liquids Solids Gases 5. :The electric potential at the center of uniformly charged conducting sphere is Equal to that at the surface zero Less than that at the surface Greater than that at the surface 6. In an experiment count rate of a sample of a radioactive element tale from 400 counts per second to 50 counts per second in 150 minutes. What is the half -life of radioactive element? 60 minutes 30 minutes 50 minutes 40 minutes 7. Which one of these statements is true? A magnet attracts: Iron and steel Plastics Aluminum Any metal 8. The kinetic energy of a simple harmonic oscillator is double of its potential energy at a point where Instantaneous displacement is equal to: None 1/√3 (amplitude) 1/√2 (amplitude) 1/2 (amplitude) 9. When a charged body is brought near an uncharged conductor on the Insulating stand The nearer end of the conductor acquires the same charge while the farther end opposite charge No charge is induced on the conductor Both ends of the conductor acquires same charge The nearer end of the conductor acquires opposite charge and the farther end the same charge 10. Which of the following the fractional change in resistance per kelvin? Temperature coefficient of resistivity Resistivity Temperature coefficient of resistance Conductivity Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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Question no 7 are wrong.
The answer is nociceptors.
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