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Physics paper 1 question

$$AK$$

$$AK$$

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201
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Points
53
SherlockHolmes221B said:
This is in order of questions:
  • 27) The answer is "A". This is because they already mentioned that the rod is east-west direction. This means that compasses will normally point to the North. Just imagine yourself standing east of a place and you have a compass, it will definitely point to the north.
  • 15) The answer is "B". The heating effect the spark has on the hand is extremely unnoticeable. This indicates that it has a low thermal capacity (does not hold a large amount of heat).
  • 31) The answer is "A". This is because the voltage throughout the circuit is constant (6V).
  • 39) The answer is "B". The Beta particle has a value of -1 neutron and 0 proton. This means that the product will be have a neutron number of one less than the reactant and the same proton number to obtain a stable equation.
  • 20) The answer is "C". As the wave moves into deeper water, the waves will bend AWAY from the normal.
  • 16) The answer is "B". The smallest block will heat up the fastest as it contains less mater than the other blocks. It's like when you cook a burger. The bigger it is, the longer it will take to be cooked.
  • 17) The answer is "B". When you heat the iron circle it will expand, which will make it bigger. Therefore, the wheel can be easily inserted.
  • 10) The answer is "D". The position 3 is where the stone just fell. As it JUST fell, it will have large amount of kinetic energy. It is on the floor, so nothing is pulling it up, therefore, the least amount of gravitational energy is there as it is already resting in the same place on the ground.
  • 38) The answer is "A". The Beta particle is known to be an electron and it is definitely emitted from a nucleus.
Hope I've helped!
Click to expand...
Thnx for ur help,
hope that we all get 40/40
Good luck :)
 
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