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Waves and Sound - General Science, Exam Preparation Video Lecture | IBPS PO Prelims & Mains Preparation - Bank Exams
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FAQs on Waves and Sound - General Science, Exam Preparation Video Lecture - IBPS PO Prelims & Mains Preparation - Bank Exams
| 1. What are waves and how do they relate to sound? |  |
Ans. Waves are disturbances that transfer energy from one place to another. Sound is a type of wave that travels through a medium, such as air or water. When an object vibrates, it creates sound waves that travel through the medium and reach our ears, allowing us to hear.
| 2. How does the frequency of a sound wave affect its pitch? | |
Ans. The frequency of a sound wave determines its pitch. Higher frequency waves have a higher pitch, while lower frequency waves have a lower pitch. For example, a high-pitched sound like a whistle has a higher frequency than a low-pitched sound like a bass drum.
| 3. What is the difference between amplitude and wavelength in a sound wave? | |
Ans. Amplitude refers to the maximum displacement of particles in a sound wave from their resting position. It is related to the loudness or volume of the sound. On the other hand, wavelength is the distance between two corresponding points on a sound wave, such as the crest to crest or trough to trough. It is related to the frequency and pitch of the sound.
| 4. How does the speed of sound change in different mediums? | |
Ans. The speed of sound depends on the properties of the medium it travels through. In general, sound travels faster in solids compared to liquids, and faster in liquids compared to gases. This is because the particles in solids are closer together and can transmit vibrations more quickly.
| 5. Can sound waves undergo interference? | |
Ans. Yes, sound waves can undergo interference. Interference occurs when two or more sound waves overlap and combine. Constructive interference happens when the waves are in phase and their amplitudes add up, resulting in a louder sound. Destructive interference happens when the waves are out of phase and their amplitudes cancel out, resulting in a quieter sound.
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Dec 22, 2024 Last updated |
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