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Q:

The combined gas law relates which of the following?

A) Volume & Temperature B) Temperature & Pressure
C) Volume & Pressure D) Volume, Temperature & Pressure
 
Answer & Explanation Answer: D) Volume, Temperature & Pressure

Explanation:

The combined gas law states that the ratio between the pressure-volume product and the temperature of a system remains constant.

 

Hence it depends on all the three Volume, Temperature & Pressure.

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Q:

Exerts a force on anything that has an electric charge

A) Electric field B) Electrostatic force
C) Inductive field D) All of the above
 
Answer & Explanation Answer: A) Electric field

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:

Which famous scientist unknowingly founded the field of spectroscopy?

A) Issac Newton B) Galileo
C) Graham Bell D) None of the above
 
Answer & Explanation Answer: A) Issac Newton

Explanation:
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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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Filed Under: Computer
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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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Q:

Permanent hardness of water may be removed by the addition of

A) Alum B) Lime
C) Sodium Carbonate D) Potassium Permanganate
 
Answer & Explanation Answer: C) Sodium Carbonate

Explanation:

Permanent hardness of water may be removed by the addition of Sodium Carbonate.

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Filed Under: Chemistry
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Q:

Five statements are given below, labelled A, B, C, D and E, among these, four statements are in logical order and form a coherent paragraph/ passage. From the given options, choose the option that does not fit into the theme of the passage.

A) With this form of demonetization, citizens are given enough time to trade in the old bills for the new, B) In these scenarios, there is minimal economic and social disruption.
C) When Lithuania left the litas and adopted the euro in 2015, its currency transition went smoothly, D) as did Germany and France’s adoption of the euro in cash form in 2002, and so on with all 19 countries that have joined the eurozone.
 
Answer & Explanation Answer:

Explanation:

All statements are based on demonetization, while sentence E talks about Greece’s Perpetual Crisis.

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Filed Under: English
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