Properties of waves, including light and sound
193 past-paper questions on Properties of waves, including light and sound · examined 2020–2025.
20258 questions
18 The sentences describe sound waves. Three words have been omitted. Sound waves are longitudinal waves that consist of regions of higher pressure called ......1...... and regions of lower pressure called ......2...... . An echo occurs when a sound wave is ......3...... . Which words complete gaps 1, 2 and 3? 1 2 3 A compressions rarefactions reflected B compressions rarefactions refracted C rarefactions compressions refracted D rarefactions compressions reflected
© UCLES 2025 5054/11/O/N/25 [Turn over 19 A ray of light strikes a plane mirror at an angle of incidence of 20°. The angle of incidence is then increased by 5°. What is the new angle between the incident ray and the reflected ray? A 10° B 25° C 45° D 50° 10
20 The following lists show colours of the spectrum. Which list shows these colours in order of increasing frequency? A blue violet red orange yellow green B green blue violet red orange yellow C red orange violet yellow green blue D red orange yellow green blue violet
© UCLES 2025 5054/11/O/N/25 21 An object O is placed near to a thin converging lens. The diagram shows three rays of light from the object passing through the lens. P Q R O S principal axis Which row describes the image formed and gives the position of a principal focus (focal point) of the lens? image formed position of principal focus A real R B real Q C virtual P D virtual S 11
22 In which diagram is the path of the light ray not correct? air water A B D C air air air air air glass glass perspex
22 The rays of light from a ray-box pass through three lenses placed at positions 1, 2 and 3. position 1 position 2 position 3 ray-box Which type of lens is used at each position? position 1 position 2 position 3 A converging converging converging B converging converging diverging C diverging converging diverging D diverging diverging converging
23 A ray of light travels from X to Y along an optical fibre. The angle of incidence at Y is greater than the critical angle. In which direction does the ray of light travel after reaching point Y? A B C D X Y optical fibre
© UCLES 2025 5054/11/M/J/25 23 A swimming pool is lit by an underwater light. A ray of light is incident on the surface of the water. What is the path for the ray of light? surface of the water A B D C light 11
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