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

How many questions are there on this Physics paper?

<p>40 (B)</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 (C)</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 (A)</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 $T1 &gt; T2$ (A)</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>$\frac{2}{3} \rho rg$ (A)</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. (A)</p> Signup and view all the answers

What is the unit of upthrust in the given context?

<p>N (B)</p> Signup and view all the answers

Which constant is used to calculate hydrostatic pressure?

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

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

<p>Distance travelled (D)</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 (A)</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) + ... (A)</p> Signup and view all the answers

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

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

Which statement correctly describes both longitudinal and transverse waves?

<p>Both waves disobey the equation v = fλ (C)</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 (A)</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 (D)</p> Signup and view all the answers

Which property distinguishes transverse waves from longitudinal waves?

<p>Polarization capability (D)</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 (C)</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 (B)</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. (C)</p> Signup and view all the answers

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

<p>They are in phase. (B)</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 (C)</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. (B)</p> Signup and view all the answers

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