The modern unit of intensity of light is ______.

1 Answer

Answer :

The modern unit of intensity of light is ______. A. lumen B. candle power C. lux D. All the above.

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Last Answer : (2) Intensity of sound Explanation: Decibel (dB) unit is used for expressing the ratio between two amounts of electric or acoustic power for measuring the relative loudness of sounds.

Description : SI unit of luminous intensity is ______. (1) lumen (2) lux (3) candela (4) watt

Last Answer : (3) candela Explanation: Luminous intensity is a measure of the wavelength-weighted power emitted by a light source in a particular direction per unit solid angle, based on the luminosity function, a ... the sensitivity of the human eye. The SI unit of luminous intensity is the candela (cd).

Description : What is the symbol of the unit of light intensity ?

Last Answer : The symbol of the unit of light intensity Cd.

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Last Answer : (2) distance Explanation: As defined by the International. Astronomical Union (IAU), a light-year is the distance that light travels in a vacuum in one Julian year. It is a measure of distance (rather than, as is sometimes misunderstood, a measure of time).

Description : Watt is a unit of - (1) Time (2) Power (3) Light (4) intensity of light

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Description : Light year is a unit of - (1) time (2) distance (3) light (4) intensity of light

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Description : Decibel is the unit used for – (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency

Last Answer : (3) Intensity of sound Explanation: The decibel (abbreviated dB) is the unit used to measure the intensity of a sound. The decibel scale is a little odd because the human ear is incredibly ... of a physical quantity (usually power or intensity) relative to a specified or implied reference level.

Description : Plants adapted to low light intensity have (a) larger photosynthetic unit size than the sun plants (b) higher rate of CO2 fixation than the sun plants (c) more extended root system (d) leaves modified to spines.

Last Answer : (a) larger photosynthetic unit size than the sun plants

Description : Light intensity is generally described in terms of __________ and measured in _________. ∙ A. Luminous flux density; Lumens per unit area ∙ B. Luminous flux intensity; Lumens per unit area ∙ C. Luminous flux density; Lumens per unit volume ∙ D. Luminous flux intensity; Lumens per unit volume

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Description : Dioptere is the unit of (1) power of a lens (2) focal length of a lens (3) light intensity (4) sound intensity

Last Answer : power of a lens

Description : Decibel is the unit used for (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency

Last Answer : Intensity of sound

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Description : What is the conventional unit of sound intensity ?

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Description : What is the unit of intensity of sound in Si method ?

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Last Answer : A. luminous intensity (Answer)

Description :  Unit of luminous intensity is A. m B. kg C. cd D. mol

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Description : If the back fill is having a uniform surcharge of intensity per unit area, the lateral pressure will be (A) q times the lateral pressure within the surface (B) 1/q times the lateral pressure within the surface ... of height Z equal to q/r, where r is the density of the backfill (D) None of these

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Description : Which is the unit of measuring intensity of sound?

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Description : Energy consumption per unit of GDP is called as: a) Energy Ratio b) Energy intensity c) Per capita consumption d) None

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Description : It is an energy flux, equal to the rate of energy flow per unit area per unit time across some surface.  a. Irradiance  b. Radiant Intensity  c. Luminosity  d. Brightness

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Description : The unit of electric intensity is

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Description : Effect of varying light intensity on photosynthesis. -Biology

Last Answer : answer:

Description : Effect of varying light intensity on photosynthesis. -Biology

Last Answer : answer:

Description : What is the level of light intensity ?

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Description : Which of the following is a symbol of light intensity ?

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Description : The stars of the universe are divided into how many parts according to the intensity of their light ?

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Description : What is the level of light intensity ?

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Description : Match the entries given in Column A with the appropriate ones in Column B. `{:("Column A","Column B"),(A."Intensity of light",(" ")a."Plane mirror"),(

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Description : Plants adapted to low light intensity have

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Description : Calculate the intensity of illumination at a distance of 0.5m from a source of light of power 200 candela assuming normal incidence.

Last Answer : Calculate the intensity of illumination at a distance of 0.5m from a source of light of power 200 candela assuming normal incidence.

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Description : Planets do not twinkle because they (a) emit light continuously (b) are luminous sources of light (c) are nearer to us and therefore their light does not pass through the atmosphere (d) are nearer to us and therefore minor variations in their intensity are not noticeable

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Description : The refractive index of the material of a glass prism depends upon (a) The angle of the prism (b) The intensity of the incident light ray (c) The colour of the incident light ray (d) Size of the prism

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Description : Stars twinkle but planets do not twinkle because - (1) they emit light of a constant intensity (2) their distance from the earth does not change with time (3) they are very far away ... and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable

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Description : Instrument for measuring light intensity is called - (1) Lucimeter (2) Cryometer (3) Cyanometer (4) Barometer

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