Which of the following molecules is least resonance stabilised?

Which of the following molecules is least resonance stabilised?
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Which of the following molecules is least resonance stabilised? A. B. C. D.
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Define the phenomenon resonance.

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Last Answer : When a molecule is represented by two or more nearly equal structures, which differ in the arrangement of electrons, then the molecule is said to exhibit resonance.

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While passing over a suspension bridge, soldiers are not allowed to march in steps. This is (a) To prevent any formation of sharp echo (b) Because there cannot be orderly marching (c) To prevent any occurrence of resonance with the bridge (d) To prevent the bridge from executing forced vibrations

Description : While passing over a suspension bridge, soldiers are not allowed to march in steps. This is (a) To prevent any formation of sharp echo (b) Because there cannot be orderly marching (c) To prevent any occurrence of resonance with the bridge (d) To prevent the bridge from executing forced vibrations

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A resonant system has a fundamental frequency of 100 Hz. If the next higher frequency that gives a resonance are 300 Hz and 500 Hz, the system could be (a) A pip open at both ends (b) A pipe closed at both ends (c) A string vibrating between two fixed points (d) A pipe open at one end and closed at the other

Description : A resonant system has a fundamental frequency of 100 Hz. If the next higher frequency that gives a resonance are 300 Hz and 500 Hz, the system could be (a) A pip open at both ends (b) A pipe ... (c) A string vibrating between two fixed points (d) A pipe open at one end and closed at the other

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Which of the following is not characteristic of resonance? (a) The canonical structures have the constituent atoms in the same relative positions (b) They have nearly the same energy (c) They have the same number of unpaired electrons (d) The actual structure can be represented on paper using the conventional symbols

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M.R.I. stands for - (1) Metered Resonance Imaging (2) Magnetic Resonance Imaging (3) Magnetic Reaction Imaging (4) Metered Reaction Imaging

Description : M.R.I. stands for - (1) Metered Resonance Imaging (2) Magnetic Resonance Imaging (3) Magnetic Reaction Imaging (4) Metered Reaction Imaging

Last Answer : (2) Magnetic Resonance Imaging Explanation: Magnetic Resonance Imaging (MRI) is a medical imaging technique used in radiology to visualize internal structures of the body in detail. MRT makes ... in the body, and radio frequency fields to systematically alter the alignment of this magnetization.

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Last Answer : (4) Resistance Explanation: In electricity, R stands for resistance, the property of an electric circuit or part of a circuit that transforms electric energy into heat energy in opposing electric current.

When two generators are on the line and are sharing the load equally, they are said to be operating in _____________. A. frequency B. series C. parallel D. resonance

Description : When two generators are on the line and are sharing the load equally, they are said to be operating in _____________. A. frequency B. series C. parallel D. resonance

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The combined effect of inductive reactance, capacitive reactance, and resistance in an AC series circuit is known as _____________. A. reactance B. total reactance C. impedance D. resonance

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What does quality factor depend on in resonance?

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What is resonance?

Description : What is resonance?

Last Answer : When the frequency of excitation is equal to the natural frequency of a system, resonance occurs. When this happens there is amplification of the vibration input to the system and this can only be limited by the damping in the isolation system.

A loudspeaker cabinet has an internal volume of 5,184 in3 (84,950 cm3 ). It has a port area on the baffle of 50 in2 (322.58cm2 ) and a thickness of 0.70 in (18 mm). What is the Helmholtz resonance, in hertz, of this loudspeaker enclosure? A. 250 Hz B. 245 Hz C. 240 Hz D. 255 Hz

Description : A loudspeaker cabinet has an internal volume of 5,184 in3 (84,950 cm3 ). It has a port area on the baffle of 50 in2 (322.58cm2 ) and a thickness of 0.70 in (18 mm). What is the Helmholtz resonance, in hertz, of this loudspeaker enclosure? A. 250 Hz B. 245 Hz C. 240 Hz D. 255 Hz

Last Answer : C. 240 Hz

An absorption loss caused by valence electrons in the silica material from which fibers are manufactured. A. Modal dispersion B. Infrared absorption C. Ion resonance absorption D. Ultraviolet absorption

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A speaker cabinet has an internal volume 84,950 cm3 . It has a port area on the baffle of 3,230 cm2 and baffle thickness of 19 mm. What is the Helmholtz resonance hertz of this speaker enclosure? A. 260 Hz B. 245 Hz C. 265 Hz D. 250 Hz

Description : A speaker cabinet has an internal volume 84,950 cm3 . It has a port area on the baffle of 3,230 cm2 and baffle thickness of 19 mm. What is the Helmholtz resonance hertz of this speaker enclosure? A. 260 Hz B. 245 Hz C. 265 Hz D. 250 Hz

Last Answer : B. 245 Hz

Give three point of difference between Resonance and Inductive effect.

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Last Answer : Ans. Resonance: a. The resonance involves pi-electrons or lone pair of electrons. b. This effect moves all along the length of the conjugate system. c. This result in complete transfer ... become negligible from the fourth carbon atom onwards. c. This effect causes slight displacement of electrons.