9702 June 2019 Paper 42 Worked Solution | A-Level Physics
Question 2
At point A, the gas has volume 2.4 × 10-3 m3, pressure 1.6 × 105 Pa and temperature 300 K.
Question 3
A spring is hung vertically from a fixed point. A mass M is hung from the other end of the spring, as illustrated in Fig. 3.1.
Question 5
The initial section of the transmission line for a signal from a telephone exchange is illustrated in Fig. 5.1.
Question 6
Two parallel metal plates A and B are held a distance d apart in a vacuum, as illustrated in Fig. 6.1.
Question 8
Question 9
Part of a circuit incorporating an operational amplifier (op-amp) is shown in Fig. 9.1.
Kindly explain question number 2.
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