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CAIE A-Level Physics AS Supplied Data and Formulae Questions

Practise selecting supplied CAIE A-Level Physics formulae and constants, then substituting consistent values to compare energies, networks and model equations.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • select supplied formulae appropriate to mechanics, electricity or other physical contexts
  • rearrange formulae, convert units and substitute values to calculate a physical quantity
  • interpret the variables, units and physical meaning of a formula result

Covered syllabus points

D.1-Supplied constants and dataD.2-AS formulae supplied in Papers 1, 2 and 4D.4-Choosing formulae without losing physical reasoning

Question 1

[Maximum number: 1]

Which amount of energy is not 2400 J ?

A

the decrease in gravitational potential energy of a mass of 60 kg when it moves vertically downwards through 40 m near the Earth's surface

B

the energy transferred in 15 s by a machine of power 160 W

C

the kinetic energy of a mass of 12 kg moving at a speed of 20 ms−120 \mathrm{~ms}^{-1}

D

the work done by a gas expanding against a constant external pressure of 120 kPa when its volume increases by 0.020 m30.020 \mathrm{~m}^{3}

Question 2

[Maximum number: 1]

Which amount of energy is not 2400 J ?

A

the decrease in gravitational potential energy of a body of mass 60 kg when it moves vertically downwards through 40 m near the Earth's surface

B

the energy transferred in 15 s by a machine of power 160 W

C

the kinetic energy of a body of mass 12 kg moving at a speed of 20 ms−120 \mathrm{~ms}^{-1}

D

the work done by a gas expanding against a constant external pressure of 120 kPa when its volume increases by 0.020 m30.020 \mathrm{~m}^{3}

Question 3

[Maximum number: 2]

The speed v of a transverse wave on a uniform string is given by the expression

v=Tlmv=\sqrt{\frac{T l}{m}}

where T is the tension in the string, l is its length and m is its mass.

An experiment is performed to determine the speed v of the wave. The measurements are shown in Table 1.1.

Table 1.1

Table 1.1

Use the data in Table 1.1 to calculate the speed v.

v=………….....................................  m s−1 [2] v=\ldots \ldots \ldots \ldots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ~ \mathrm{~m} \mathrm{~s}^{-1} \text { [2] }
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