Malaysia SPM Form 5 Physics: Wave

1.1 Oscillation
1.2 Understanding Wave
1.3 Understanding Wave - Calculation
2.1 Wave Phenomena - Reflection and Refraction
2.2 Wave Phenomena - Difraction and Interference
3.1 Sound Wave

4.1 Electromagnetic Wave
4.2 Light Wave
4.3 Light Wave - Calculation

Sound Wave

The SPM Physics Workbook is developed under the One-School.net Free Books Project. The content of this book is strictly follow Malaysia SPM (Sijil Pelajaran Malaysia) syllabus. The aim of this project is to provide a complete electronic supplementary network for students to develop self-learning skills by breaking the spoon-feed rituals and to encourage them to compile educational information from the Internet.

 

1. Which of the followings are true about sound wave?
I Sound wave is a mechanical wave
II Sound wave is a longitudinal wave
III Sound wave cannot travels in vacuum

Choice 1 I and II only
Choice 2 II and III only
Choice 3 I and III only
Choice 4 I, II and III

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2.Which of the following is NOT TRUE about the speed of sound wave in solid, liquid and gas?



Choice 1 Speed of sound in gas < speed of sound in water.
Choice 2 Speed of sound in solid > speed of sound in gas.
Choice 3 Speed of sound in gas > speed of sound in liquid.
Choice 4 Speed of sound in solid > speed of sound in liquid.

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3. Ultrasonic is the sound with frequency

Choice 1 Higher than 20Hz
Choice 2 Lower than 20Hz
Choice 3 Higher than 20,000 Hz
Choice 4 Lower than 20,000 Hz

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4. A louder sound have

Choice 1 longer wavelength
Choice 2 higher frequency
Choice 3 higher amplitude
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5. The pitch of a sound is determined by its
Choice 1 wavelength
Choice 2 frequency
Choice 3 amplitude
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6. The sound of a moving train at a distance sound louder at night than that in the day time. This is due to

Choice 1 refraction of sound
Choice 2 reflection of sound
Choice 3 interference of sound
Choice 4 diffraction of sound

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7. When a sound wave travels from air into a glass, it is refracted


Choice 1 towards the normal and its velocity increases.
Choice 2 away from the normal and its velocity decreases.
Choice 3 away from the normal and its velocity increases.
Choice 4 towards the normal and its velocity decreases.

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8. Two speakers is placed a distance apart of 1.5 m. An audio signal generator is adjusted to a frequency of 600 Hz. When a student walks 3.0 m in front of the speakers, he gets to hear four loud sounds successively in a distance of 3.3 m. Find the wavelength of the wave
Choice 1 0.60m
Choice 2 0.55m
Choice 3 0.65m
Choice 4 0.70m

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9. Electronic pulses are transmitted from a ship and are received again in a time interval of 0.2 s when the pulses are reflected back by a big object. If the speed of sound in the sea is 1200 ms-1, what is the distance of the object from the ship?
Choice 1 240m
Choice 2 200m
Choice 3 120m
Choice 4 100m

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electromagnetism notes