[1] What is the meaning of linear density of a wire?
[2] Explain the term resonance.
[3] Explain forced vibrations.
[4] What are stationary waves?
[5] Explain how stationary waves are formed between two bridges in case of sonometer wire
[6] State and explain the first law of vibrating string.
[7] Does stationary wave transfer energy in a given medium?
[8] What is the fundamental mode of vibration in case of stationary waves?
[9] What are nodes and antinodes in case of stationary wave?
[10] What is 'musical ear' test?
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(1) Linear density is the measure of a quantity of any characteristic value per unit of length. Linear mass density (titer in textile engineering, the amount of mass per unit length) and linear charge density (the amount of electric charge per unit length) are two common examples used in science and engineering.
(2) Resonance structures are two forms of a molecule where the chemical connectivity is the same but the electrons are distributed differently around the structure. Resonance occurs when electrons can flow through neighboring pi systems.
(3) Forced vibration is when an alternating force or motion is applied to a mechanical system, for example when a washing machine shakes due to an imbalance. Forced vibration is a type of vibration in which a force is repeatedly applied to a mechanical system.
(4) Standing wave, also called stationary wave, combination of two waves moving in opposite directions, each having the same amplitude and frequency. The phenomenon is the result of interference—that is, when waves are superimposed, their energies are either added together or cancelled out.
(6) First law tells that, when the tension and the linear density are constant, the frequency of the vibration is inversely proportional to the length. Second law states that, If the length and linear density are constant, the frequency is directly proportional to the square root of the tension.
(7) standing waves, unlike travelling waves, do not transfer energy. He says that this is because a standing wave is composed of two travelling waves carrying energy in opposite directions.
(8)
(2) Resonance structures are two forms of a molecule where the chemical connectivity is the same but the electrons are distributed differently around the structure. Resonance occurs when electrons can flow through neighboring pi systems.
(3) Forced vibration is when an alternating force or motion is applied to a mechanical system, for example when a washing machine shakes due to an imbalance. Forced vibration is a type of vibration in which a force is repeatedly applied to a mechanical system.
(4) Standing wave, also called stationary wave, combination of two waves moving in opposite directions, each having the same amplitude and frequency. The phenomenon is the result of interference—that is, when waves are superimposed, their energies are either added together or cancelled out.
(6) First law tells that, when the tension and the linear density are constant, the frequency of the vibration is inversely proportional to the length. Second law states that, If the length and linear density are constant, the frequency is directly proportional to the square root of the tension.
(7) standing waves, unlike travelling waves, do not transfer energy. He says that this is because a standing wave is composed of two travelling waves carrying energy in opposite directions.
(8)
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