2025 · O/N · 5054/11 | Q16

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CIE-5054-2025-ON-p11 · Question 16

You may use a calculator. Take the weight of 1.0 kg to be 9.8 N (acceleration of free fall = 9.8 m/s²).
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16 A sample of a solid melts and becomes a liquid. Which statement about the sample during the process of melting is correct? A Its temperature changes from a negative to a positive value. B Its temperature is constant. C The forces between its particles become stronger. D The kinetic energy of its particles increases.

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5054/11/O/N/25Cambridge O Level Physics 5054 · Oct/Nov 2025 · Paper 1 variant 1 · Question 16