Define the phenomenon resonance.

 Define the phenomenon resonance.
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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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Does the human body have resonance frequency?

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which one of the following scenarios accurately describes a condition in which resonance can occur? -General Knowledge

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What does Resonance Mean ?

Description : What does Resonance Mean ?

Last Answer : : The state of an AC circuit consisting of a resistor , an inductor and a capacitor in which the current and voltage are in force, i.e. the power factor is unit , is called resonance.

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Which of the following molecules is least resonance stabilised?

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Among the following, the least stable resonance structure is :

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Which of the following statements regarding the resonance energy of benzene is correct?

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Phenol is more reactive than benzene towards electrophilic substitution reaction. In case of Phenol, the intermediate carbocation is more resonance st

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Assertion : Phenols are more acidic than aliphatic alcohols. Reason : Phenoxides are stabilized by resonance.

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Assertion: The O - O bond lengths in ozone molecule are intermediate between single and double bonds. Reason: `O_(3)` molecule is a resonance hybrid.

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In L-C-R series circuit suppose `omega_(r)` is resonance frequency, then match the following table, `{:(,,"Table-1",,"Table-2"),(,(A),"If " omegagtome

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What are the resonance structure of h2so4?

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What are the resonance structures of CH2NH2?

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How could you apply the principles of mechanics resonance to a car when it is stuck in snow?

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How dimmerization of borane can be explained by resonance?

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How many resonance structures, if any Acetate H3C2O2(-1) *?

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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

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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

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What does the symbol R in electricity stand for? (1) Refraction (2) Resonance (3) Rarefaction (4) Resistance

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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

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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.

Explain electromeric effect, resonance effect and hyperconjugation.

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Last Answer : Ans: Electromeric effect is defined as the complete transfer of a shared pair of π-electrons to one of the atoms joined by a multiple bond on the demand of an attacking reagent. It ... with the attached unsaturated system or with the unshared p orbital. Hyperconjugation is a permanent effect.

Ortho and paranitrophenols are more acidic than phanel. Draw the resonance structures of the corresponding phonoxide ion.

Description : Ortho and paranitrophenols are more acidic than phanel. Draw the resonance structures of the corresponding phonoxide ion.

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Surge is caused by resonance effect in the spring. a) True b) False

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Following is the most sensitive test to detect the DNA. C A. ELISA B. Magnetic Resonance Imaging C. PCR D. CT Scanning

Description : Following is the most sensitive test to detect the DNA. C A. ELISA B. Magnetic Resonance Imaging C. PCR D. CT Scanning

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What is the resonance frequency equation for parallel circuit?

Description : What is the resonance frequency equation for parallel circuit?

Last Answer : In parallel circuit when XC = XL, the circuit is called the parallel resonance circuit. That is 2πfL = 1/2πfC. In term (FR) = 1/2π√1/LC – R2/L2 cycles per second. If ‘R’ is negligible, then (FR) = 1/2π√LC cycles per second.

What is resonance in series circuit?

Description : What is resonance in series circuit?

Last Answer : If in an AC circuit inductive reactance XL and capacitive reactance XC is equal the voltage across both will be equal and are 180° out of phase. So that each will cancel each other and the current ... resonant frequency and the resonant frequency (FR) is equal to (FR) = 1/2π√LC cycles per second.