The threshold frequency is the frequency below which–

The threshold frequency is the frequency below which–
by

1 Answer

Answer :

Photoelectric emission
is not possible
by

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The threshold frequency is the frequency below which – (1) photo current increases with voltage (2) photo current decreases with voltage (3) photo electric emission is not possible (4) photo current is constant

Description : The threshold frequency is the frequency below which – (1) photo current increases with voltage (2) photo current decreases with voltage (3) photo electric emission is not possible (4) photo current is constant

Last Answer : (3) photo electric emission is not possible Explanation: The photoelectric effect is the emission of electrons by substances, especially metals, when light falls on their surfaces. The photoelectric ... gain sufficient energy to overcome the electrostatic barrier of the work function of the metal.

The threshold frequency is the frequency below which - (1) photo current is constant (2) photo current increases with voltage (3) photo current decreases with volt (4) photo electric emission is not possible

Description : The threshold frequency is the frequency below which - (1) photo current is constant (2) photo current increases with voltage (3) photo current decreases with volt (4) photo electric emission is not possible

Last Answer : (4) photo electric emission is not possible

The threshold frequency is the frequency below which – (1) photo current increases with voltage (2) photo current decreases with voltage (3) photo electric emission is not possible (4) photo current is constant

Description : The threshold frequency is the frequency below which – (1) photo current increases with voltage (2) photo current decreases with voltage (3) photo electric emission is not possible (4) photo current is constant

Last Answer : (3) photo electric emission is not possible Explanation: The photoelectric effect is the emission of electrons by substances, especially metals, when light falls on their surfaces. The photoelectric ... gain sufficient energy to overcome the electrostatic barrier of the work function of the metal.

The threshold frequency is the frequency below which - (1) photo current is constant (2) photo current increases with voltage (3) photo current decreases with volt (4) photo electric emission is not possible

Description : The threshold frequency is the frequency below which - (1) photo current is constant (2) photo current increases with voltage (3) photo current decreases with volt (4) photo electric emission is not possible

Last Answer : (4) photo electric emission is not possible

The threshold frequency is the frequency below which : (1) photo current increases with voltage (2) photo current decreases with voltage (3) photo electric emission is not possible (4) photo current is constant

Description : The threshold frequency is the frequency below which : (1) photo current increases with voltage (2) photo current decreases with voltage (3) photo electric emission is not possible (4) photo current is constant

Last Answer : photo electric emission is not possible

Decision to stop testing should be based upon A. Successful use of specific test case design methodologies B. A percentage of coverage for each coverage category C. Rate of error detection falls below a specified threshold D. All of the above

Description : Decision to stop testing should be based upon A. Successful use of specific test case design methodologies B. A percentage of coverage for each coverage category C. Rate of error detection falls below a specified threshold D. All of the above

Last Answer : D. All of the above

The threshold effect in demodulators is a The rapid fall of output SNR when the input SNR falls below

Description : The threshold effect in demodulators is a) The rapid fall of output SNR when the input SNR falls below a particular value b) Exhibited by all the demodulators when the input SNR is low c) Exhibited by all AM suppressed carrier coherent demodulators d) Exhibited by correlation receivers

Last Answer : The threshold effect in demodulators is The rapid fall of output SNR when the input SNR falls below a particular value

In human relations the irritation threshold is the A. action that causes an annoyance. B. frequency of the annoying behavior. C. point at which a person notices something and becomes annoyed. D. lengt?

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What is threshold frequency?

Description : What is threshold frequency?

Last Answer : Ans –The minimum frequency required to eject out electron from an atom.

Compared with myelinated nerve fibres, non-myelinated nerve fibres : a. have a higher threshold for stimulation b. have a longer refractory period c. transmit impulses at a lower frequency d. all above

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Last Answer : all above

The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the (A) Increased temperature reduces the activation energy (B) Fraction of molecules having threshold energy increases (C) Collision frequency increases (D) Value of threshold energy decreases

Description : The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the (A) Increased temperature reduces the activation energy (B) Fraction of molecules having threshold energy increases (C) Collision frequency increases (D) Value of threshold energy decreases

Last Answer : (B) Fraction of molecules having threshold energy increases

Pick up the correct statement from the following: (A) The minimum frequency of light for which no electrons are emitted, is called threshold frequency (B) Polarising angle of glass is 57.5° (C) At the polarising angle, the reflected and refracted rays are orthogonal (D) All the above

Description : Pick up the correct statement from the following: (A) The minimum frequency of light for which no electrons are emitted, is called threshold frequency (B) Polarising angle of glass is 57.5° (C) At the polarising angle, the reflected and refracted rays are orthogonal (D) All the above

Last Answer : Answer: Option D

The minimum frequency required to eject electrons from a metallic surface is called a) Critical frequency b) Peak value of frequency c) Threshold frequency d)Photo frequency

Description : The minimum frequency required to eject electrons from a metallic surface is called a) Critical frequency b) Peak value of frequency c) Threshold frequency d)Photo frequency

Last Answer : c) Threshold frequency

The minimum energy required to eject an electron from a metal surface is called a) Intensity b) Threshold frequency c) Work function d) Photo energy

Description : The minimum energy required to eject an electron from a metal surface is called a) Intensity b) Threshold frequency c) Work function d) Photo energy

Last Answer : c) Work function

When a certain beam of light falls upon a metal surface, it ejects photoelectrons from it. The number of photoelectrons ejected per second by the beam of light depends upon one of the following. Is it proportional to: w) the threshold frequency of the metal x) the work function of the metal y) the frequency of the beam z) the intensity of the beam

Description : When a certain beam of light falls upon a metal surface, it ejects photoelectrons from it. The number of photoelectrons ejected per second by the beam of light depends upon one of the following. Is it ... the work function of the metal y) the frequency of the beam z) the intensity of the beam

Last Answer : ANSWER: Z -- THE INTENSITY OF THE BEAM

Define : (i)Threshold frequency (ii)Work function

Description : Define : (i)Threshold frequency (ii)Work function

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What is the real threshold for money and happiness?

Description : What is the real threshold for money and happiness?

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If you hosted a lurve threshold party, what would your reaction be if the honoree didn't bother to show up?

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What is your threshold for pain?

Description : What is your threshold for pain?

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What's your "TLDR" threshold?

Description : What's your "TLDR" threshold?

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What, for you, is the threshold of personal financial debt?

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Studies proving duration threshold for correlation between tanning bed use and melanoma?

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What gives some people a higher pain threshold than others?

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Where is your threshold of pain?

Description : Where is your threshold of pain?

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Do men or women have a higher pain threshold?

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What is the threshold of payout?

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Changeable threshold material in Renal tubules

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Assertion : The contraction and relaxation of muscle fiber are controlled by nerve impulses. Reason : The threshold stimulus is the minimum stimulus r

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What is "renal threshold"?

Description : What is "renal threshold"?

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Is it true or false that absolute threshold is the minimum amount of stimulus the human body can detect?

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Is it true that absolute threshold is the minimum amount of the stimulus the human body can detect?

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Last Answer : Need answer

What is the sequence of events of a threshold potential?

Description : What is the sequence of events of a threshold potential?

Last Answer : Death.

What is the purchase account may be used as a contracting mechanism for purchases above the micro purchase threshold?

Description : What is the purchase account may be used as a contracting mechanism for purchases above the micro purchase threshold?

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What is Seizure threshold?

Description : What is Seizure threshold?

Last Answer : What is the answer ?

Why does the poverty threshold vary from year to year?

Description : Why does the poverty threshold vary from year to year?

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What is the sequence of events of a threshold potential?

Description : What is the sequence of events of a threshold potential?

Last Answer : Death.

When it comes to housing and living in an apartment, what is the threshold for being considered 'low income'?

Description : When it comes to housing and living in an apartment, what is the threshold for being considered 'low income'?

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What does it. Mean when scratch off ticket says terminal threshold exceeded?

Description : What does it. Mean when scratch off ticket says terminal threshold exceeded?

Last Answer : That it has already been cashed.

Substrate concentration at which an enzyme attains half its maximum velocity is (A) Threshold value (B) Michaelis-Menton constant (C) Concentration level (D) None of these

Description : Substrate concentration at which an enzyme attains half its maximum velocity is (A) Threshold value (B) Michaelis-Menton constant (C) Concentration level (D) None of these

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Renal threshold for glucose is decreased in (A) Diabetes mellitus (B) Insulinoma (C) Renal glycosuria (D) Alimentary glycosuria

Description : Renal threshold for glucose is decreased in (A) Diabetes mellitus (B) Insulinoma (C) Renal glycosuria (D) Alimentary glycosuria

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Antitussives act by (a) Liquifying bronchial secretions (b) Raising the threshold of cough centre (c) Reducing cough inducing impulses from the lungs (d) Both (b) and (c)

Description : Antitussives act by (a) Liquifying bronchial secretions (b) Raising the threshold of cough centre (c) Reducing cough inducing impulses from the lungs (d) Both (b) and (c)

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Following statement is true about lidocaine (a) Reduce the slope of Phase 4 (b) Threshold excitability is not altered (c) Action potential is not affected (d) All of the above

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Aspirin produces analgesia by (a) Preventing sensitization of peripheral pain receptors (b) Affecting gating of pain impulses at spinal level (c) Raising pain threshold at subcortical level (d) Both (a) and (b)

Description : Aspirin produces analgesia by (a) Preventing sensitization of peripheral pain receptors (b) Affecting gating of pain impulses at spinal level (c) Raising pain threshold at subcortical level (d) Both (a) and (b)

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In man sedation caused by morphine is characterized by (a) Initial excitement (b) Little or no motor incoordination (c) Rise in seizure threshold (d) All of the above

Description : In man sedation caused by morphine is characterized by (a) Initial excitement (b) Little or no motor incoordination (c) Rise in seizure threshold (d) All of the above

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The difference between Threshold energy and average energy of the molecules is called activation energy. Ina chemical reaction lowers the rate of reaction the greater will be. The activation energy

Description : The difference between Threshold energy and average energy of the molecules is called activation energy. Ina chemical reaction lowers the rate of reaction the greater will be. The activation energy

Last Answer : How do you define the molecularity of a reaction ?

The minimum amount of energy required for the reaction to takes place is called threshold energy.

Description : The minimum amount of energy required for the reaction to takes place is called threshold energy.

Last Answer : What is activation energy ?

Time required for the organism to eliminate 50% the total body burden or tissue concentration of chemical is referred as – (1) Threshold limit time (2) Halftime life (3) Residual-period (4) Half-life period

Description : Time required for the organism to eliminate 50% the total body burden or tissue concentration of chemical is referred as – (1) Threshold limit time (2) Halftime life (3) Residual-period (4) Half-life period

Last Answer : (4) Half-life period Explanation: Time required for the organism to eliminate 50 per cent of the total body burden or tissue concentration of chemical is referred to as Half Life Period.

Threshold limit value of copper in the atmospheric air is - (1) 0.001 mg/m3 (2) 0.01 mg/m3 (3) 1.0 mg/m3 (4) 5.0 mg/m3

Description : Threshold limit value of copper in the atmospheric air is - (1) 0.001 mg/m3 (2) 0.01 mg/m3 (3) 1.0 mg/m3 (4) 5.0 mg/m3

Last Answer : (3) 1.0 mg/m3 Explanation: Inspirable copper dust takes a predominantly fibrous effect. The ALV of copper aerosol in the workplace atmosphere is 0.5 mg/m3, while the threshold limit value (TLV) is 1.0 mg/m3.