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Q:

Consider the electromagnetic radiations having wavelengths 200 nm, 500 nm and 1000 nm. Which wavelength (s) of the following can make visual sensation to a human eye?

A) 200 nm and 500 nm B) 500 nm and 1000 nm
C) 500 nm only D) 200 nm and 1000 nm
 
Answer & Explanation Answer: C) 500 nm only

Explanation:
Visual image of human eye is 390-700 nanometer. So, approximate value is 500 nanometer only.
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Filed Under: Physics
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Q:

The commercial and marketing arm of ISRO is

A) Antrix Corporation Limited B) ISRO Satelliet Corporation
C) Space Applications Center D) None
 
Answer & Explanation Answer: A) Antrix Corporation Limited

Explanation:
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Q:

Isoneph indicates the lines of equal

A) cloudiness B) salinity
C) temperature D) pressure
 
Answer & Explanation Answer: A) cloudiness

Explanation:

A line on a map connecting points that have the same average percentage of cloudiness is called Isoneph.

 

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Q:

The Microsoft Access wildcards are ____ and ____ .

A) asterisk (*); percent sign (%)   B) percent sign (%); underscore (_)  
C) underscore(_); question mark (?) D) question mark (?); asterisk (*)
 
Answer & Explanation Answer: D) question mark (?); asterisk (*)

Explanation:
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Q:

The amount of water vapor in the air is called

A) Saturated air B) Precipitation
C) Humidity D) Capacity
 
Answer & Explanation Answer: C) Humidity

Explanation:

The amount of water vapor in the air is called Humidity. The amount of water vapor that air acn hold depends on the temperature of the air. The amount of water vapor in the air as compared with the amount of water that the air could hold is called Relative humidity.

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Q:

The coil wire in the electric room heater or electric cooking heater is called __________.

A) Circuit B) Element
C) Filament D) Cells
 
Answer & Explanation Answer: B) Element

Explanation:
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Filed Under: Physics
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Q:

Which statement best describes the electronegativity of an element?

A) Electronegativity of an atom is it's ability to produce energy while losing an electron. B) Electronegativity of an atom is it's ability to attract electrons during bond formation.
C) Electronegativity of an atom is it's ability to lose electrons during cation formation. D) Electronegativity of an atom is it's ability to share electrons during a covalent bond formation.
 
Answer & Explanation Answer: B) Electronegativity of an atom is it's ability to attract electrons during bond formation.

Explanation:

Electronegativity, is a chemical property that describes the tendency of an atom to attract a shared pair of electrons (or electron density) towards itself.

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Filed Under: Chemistry
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Q:

What happens the first time buck is beaten?

A) He swears that he'll someday have his revenge on Spitz. B) He learns that he can't get away with stealing another dog's food.
C) He learns he has to obey men, but decides never to surrender inside. D) He has his spirit as well as his body crushed.
 
Answer & Explanation Answer: C) He learns he has to obey men, but decides never to surrender inside.

Explanation:
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