CSEC Physics · May/June 2017 · Paper 2
44 questions and parts from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.
- 1(a)8 marksUsing a scale of 2 cm to 5 ms on the horizontal axis and 2 cm to 0.5 V on the vertical axis, plot the graph of induced e.m.f., V, versus time, ms, on the grid provided on page 5.
- 1(b)(i)1 markUse your graph to determine the induced e.m.f. after 12.5 milliseconds.
- 1(b)(ii)1 markUse your graph to determine the time, in milliseconds, other than at the beginning of the experiment when the induced e.m.f. was 0 volts.
- 1(c)(i)2 marksDraw on Figure 1 the direction of the induced current and the direction of the arrow on the galvanometer as a result of this motion.
- 1(c)(ii)2 marksExplain why an induced current is produced.
- 1(c)(iii)1 markWhy is it necessary to use a sensitive galvanometer?
- 1(c)(iv)1 markShow on Figure 2 the direction of the induced current as a result of this motion.
- 1(c)(v)3 marksState THREE changes or adjustments that Kevin could make in this experiment to increase the induced e.m.f.
- 1(c)(vi)1 markDescribe what will happen if the magnet remains stationary in the coil.
- 1(d)(i)1 markDraw on Figure 3 the direction of the induced current if the coil rotates in a clockwise direction.
- 1(d)(ii)2 marksIf the period of rotation of the coil is 0.02 s, calculate its frequency.
- 1(d)(iii)2 marksIf the speed and direction of rotation of the coil are constant, sketch a graph of voltage (V) against time (s) to show the output for the generator for one complete cycle, given that it starts rotating from its current…
- 2(a)(i)2 marksDistinguish between 'transverse' and 'longitudinal' waves.
- 2(a)(ii)2 marksState ONE example each of transverse and longitudinal waves. Example of transverse wave: Example of longitudinal wave:
- 2(a)(iii)1 markIn the wave equation, velocity (v), frequency (f) and wavelength (λ) are related. Write the equation.
- 2(a)(iv)2 marksA wave motion has a frequency of 10 Hz and a wavelength of 250 m. Calculate the speed of the wave.
- 2(b)(i)1 markIndicate on Figure 4 the amplitude of the wave.
- 2(b)(ii)6 marksamplitude (in metres)
- 2(b)(iii)6 marksperiod (in seconds)
- 2(b)(iv)6 marksfrequency (in hertz).
- 2(c)1 markState ONE property of an electromagnetic wave.
- 3(a)(i)1 markWhat is meant by the term 'nuclear fission'?
- 3(a)(ii)2 marksState TWO advantages of utilizing nuclear energy.
- 3(b)(i)1 markState ONE precaution that workers in nuclear power plants need to take.
- 3(b)(ii)2 marksGive TWO disadvantages of using nuclear reactors to generate energy.
- 3(c)(i)1 markState the value of p.
- 3(c)(ii)1 markState the meaning of 'c' in Einstein's equation ΔΕ = Δmc².
- 3(c)(iii)2 marksCalculate the total mass of the elements formed after the reaction.
- 3(c)(iv)4 marksCalculate the energy released in the reaction.
- 3(c)(v)1 markState ONE use of the energy released from the reaction.
- 4(a)(i)3 markscarriage is moving horizontally at a constant speed in a straight line
- 4(a)(ii)3 markscarriage is in free fall.
- 4(b)(i)5 marksCalculate the length of time that the carriage in Part (a) on page 14 is allowed to free fall if it reaches a speed of 64.8 km h⁻¹ from rest. [Use g = 10 ms⁻²]
- 4(b)(ii)4 marksDetermine the distance the carriage falls in (b) (i).
- 5(a)(i)3 marksa car radiator
- 5(a)(ii)3 marksthe roof of a Caribbean home.
- 5(b)(i)6 marksUsing the data above, calculate the specific latent heat of vaporization of water, assuming negligible heat is lost to the surroundings.
- 5(b)(ii)3 marksThe coil of the immersion heater was NOT completely submerged. Explain how this would have affected the value for the specific latent heat of vaporization obtained in (b) (i) on page 17.
- 6(a)(i)3 marksa converging lens
- 6(a)(ii)3 marksa diverging lens.
- 6(b)(i)3 marksthe image distance
- 6(b)(ii)3 marksthe magnification
- 6(b)(iii)2 marksthe height of the image formed
- 6(b)(iv)1 markwhether the image formed is real or virtual.