Questions

Q:

Which of the following is a chemical property?

A) Reactivity B) Solubility
C) Density D) All of the above
 
Answer & Explanation Answer: A) Reactivity

Explanation:

The ability of two or more substances to combine to form other substances is called Reactivity.

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Q:

A series is given, with one word missing. Choose the correct alternative from the given ones that will complete the series.

Never, Under, Manly, Sauna, Train, ?

A) Night B) Terminal
C) Cancer D) Anoint
 
Answer & Explanation Answer: B) Terminal

Explanation:
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Q:

Radiocarbon is produced in the atmosphere as a result of

A) collision between fast neutrons and nitrogen nuclei present in the atmosphere B) action of ultraviolet light from the sun on atmospheric oxygen
C) action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere D) lightning discharge in atmosphere
 
Answer & Explanation Answer: A) collision between fast neutrons and nitrogen nuclei present in the atmosphere

Explanation:
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Q:

Electric charges that are different attract each other.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Same charges will repel each other and the charges that are different will attract each other.


Electric_charges_that_are_different_attract_each_other._1545283189.png image

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Subject: Physics
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Q:

If someone in Russia sets their language preference to English, will they see ads targeted to people in Russia? Will their ads be in Russian or in English?

Answer

They will see ads targeted to people located in Russia with the ads in English.

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Q:

Is the data bus in Bi-directional?

Answer

The data bus is Bi-directional because the same bus is used for transfer of data between Micro Processor and momory of input / output devices in both the direction.

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Subject: Hardware

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Q:

AT&T designed its first commercial modem, specifically forconverting digital computer data to analog signals fortransmission across its long distance network. What is thename of the modem?

A) Telex B) Memex
C) CompuServe D) Bell 103 dataset
 
Answer & Explanation Answer:

Explanation:

In 1960s AT&T introduces its Data phone, the firstcommercial modem. The first commercial modem made for converting digital computer data at analog signalsfor transmission across long distance networks

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Q:

Which color has the highest energy?

A) Violet B) Red
C) Blue D) White
 
Answer & Explanation Answer: A) Violet

Explanation:

Violet colour has the highest energy. The higher the frequency, the faster the oscillations and thus the higher the energy. Therefore, the highest-frequency ultra-violet light or the lowest wavelength is violet.

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