Cambridge International AS & A Level Physics 9702/12 Paper 1 MCQ Feb/Mar 2023
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Questions and Answers

What is the total mark for the Physics paper?

  • 40 (correct)
  • 50
  • 30
  • 60
  • What should you use to record your answer on the multiple choice answer sheet?

  • Colored marker
  • Highlighter
  • Ink pen
  • Soft pencil (correct)
  • What should you avoid using when filling out the multiple choice answer sheet?

  • Correction fluid (correct)
  • Pen
  • Soft pencil
  • Highlighter
  • Where should you write your name, centre number, and candidate number?

    <p>On the multiple choice answer sheet</p> Signup and view all the answers

    How many questions are there on this Physics paper?

    <p>40</p> Signup and view all the answers

    What is the magnitude of the torque exerted on the satellite due to the two thrust forces?

    <p>92 Nm</p> Signup and view all the answers

    What is the magnitude of the resultant force acting on the satellite due to the two thrust forces?

    <p>80 N</p> Signup and view all the answers

    In both hanging methods shown with diagrams 1 and 2, which statement about the forces acting on the nail is true?

    <p>$R1 = R2$ but $T1 &gt; T2$</p> Signup and view all the answers

    When an object shaped as a hemisphere rests with its flat surface on a table, what average pressure does it exert on the table?

    <p>$\frac{2}{3} \rho rg$</p> Signup and view all the answers

    In monitoring water quality, a probe suspended by a vertical string is attached to a sphere floating in equilibrium on the sea surface. What can be said about the tension in the vertical string?

    <p>It is equal to the weight of the probe.</p> Signup and view all the answers

    What is the unit of upthrust in the given context?

    <p>N</p> Signup and view all the answers

    Which constant is used to calculate hydrostatic pressure?

    <p>Gravitational constant</p> Signup and view all the answers

    In the equation s = ut + 1/2 at^2, what does 's' represent?

    <p>Distance travelled</p> Signup and view all the answers

    What physical quantity does the variable 'v' represent in the equation v^2 = u^2 + 2as?

    <p>Speed</p> Signup and view all the answers

    Which formula represents the relationship between electric current and resistors in series?

    <p>(1/R) = (1/R1) + (1/R2) + ...</p> Signup and view all the answers

    What unit is represented by 'm2' in the given equation: 1 = b + cT?

    <p>(m^2)</p> Signup and view all the answers

    What type of deformation is exhibited by the wire in the force-extension graph?

    <p>Both elastic and plastic</p> Signup and view all the answers

    For a progressive water wave, what does the phase difference graph between particles P and Q look like?

    <p>B</p> Signup and view all the answers

    Which statement correctly describes both longitudinal and transverse waves?

    <p>Both waves disobey the equation v = fλ</p> Signup and view all the answers

    When an observer hears a sound wave emitted from a moving source, what happens to the observed frequency compared to the emitted frequency?

    <p>It is lower</p> Signup and view all the answers

    In the context of the wire experiment, what would a force-extension graph look like if the wire exhibited purely plastic deformation?

    <p>No extension beyond original length</p> Signup and view all the answers

    Which property distinguishes transverse waves from longitudinal waves?

    <p>Polarization capability</p> Signup and view all the answers

    What different frequencies of sound can be produced by the instrument?

    <p>92 Hz, 276 Hz, 828 Hz, 1288 Hz</p> Signup and view all the answers

    When two waves of equal frequency and amplitude traveling in opposite directions meet on a stretched string, how many nodes are formed in the stationary wave?

    <p>3</p> Signup and view all the answers

    Why can a receiving aerial behind a mountain detect radio waves but not microwaves from a transmitting mast?

    <p>The radio waves are diffracted around the mountain but the microwaves are not.</p> Signup and view all the answers

    Which statement about waves emitted from two coherent sources must be correct?

    <p>They are in phase.</p> Signup and view all the answers

    In a new stationary wave formed after doubling the frequency of two waves with three nodes and two antinodes, how many antinodes are present?

    <p>1</p> Signup and view all the answers

    If a diffraction grating with N lines is at a distance L from a screen, what can be determined about the grating?

    <p>It has N sources of light.</p> Signup and view all the answers

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