BALOCHISTAN MDCAT PAPER 2022 ( PART 15 ) 1. A man pushes a wall and fails to displace it. He does: Positive work Maximum work No work at all Negative work 2. The ratio of angular speed of a minutes hand to hours hand of the watch is? 1:8 12:1 1:12 6:1 3. Which of the following pairs has the same direction always? Force, momentum Force, velocity Force, acceleration Force, displacement 4. The third law of motion explains: The existence of a force The existence of two forces The effect of force The existence of a pair of forces in nature 5. Thermal equilibrium in environment occurs due to: Heat absorption Heat dissipation Heat flow Heat generation 6. A second pendulum starts Its oscillation from the extreme position. What is the ratio of it’s amplitude to the displacement after 7 second? 1:2 1:4 Infinity 1:14 7. Positron and electron annihilate into: Two γ-ray photons Alpha – rays X-rays One γ-ray photon 8. An electric motor is used to operate an elevator. The motor does 140,000 J of work In 70 s. What Is the output power of the motor? 2.0 kilowatts 0.50 milliwatts 9.8 megawatts 2.0 watts 9. The internal resistance of a battery is due to which of the following reasons? Ions moving charges Static charges Moving charges Electrolytes 10. A magnetic field Is produced by: Only ions Stationary charges Moving charges Both moving and stationary charges 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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