Q:

During the free fall of the object, the decrease in potential energy, at any point in its path, appears as an equal amount of increase in _________________.

A) kinetic energy	B) work done
C) heat energy	D) gravitational force

Answer & Explanation Answer: A) kinetic energy

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Q:

If a ball is thrown vertically upwards with a velocity of 40 m/s, then what will be the magnitude of its displacement after 6 s?

A) 80 m	B) 40 m
C) 60 m	D) 20 m

Answer & Explanation Answer: C) 60 m

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Q:

The production possibilities curve illustrates the basic principle that

A) an economy's capacity to produce increases in proportion to its population size.	B) the production of more of any one good will in time require smaller and smaller sacrifices of other goods.
C) an economy will automatically seek that level of output at which all of its resources are employed.	D) if all the resources of an economy are in use, more of one good can be produced only if less of another good is produced.

Answer & Explanation Answer: D) if all the resources of an economy are in use, more of one good can be produced only if less of another good is produced.

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Filed Under: Indian Economy
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Q:

When electricity is passed through an aqueous solution of Sodium Chloride (brine), it decomposes to form.

A) NaOH + H2 + Cl2	B) NaOH + H2 + O2
C) NaOH + HCl + H2	D) NaOH + H2 + N2

Answer & Explanation Answer: A) NaOH + H2 + Cl2

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Q:

Saturated Hydrocarbons are called

A) alkynes	B) isomers
C) alkanes	D) alkenes

Answer & Explanation Answer: C) alkanes

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Q:

The state of matter can be changed into another state by changing the

A) Volume	B) Density
C) Shape	D) Temperature

Answer & Explanation Answer: D) Temperature

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Q:

Syed Modi International Grand Prix Gold Championship is held every year at ___.

A) Chandigarh	B) Lucknow
C) Delhi	D) Hyderabad

Answer & Explanation Answer: B) Lucknow

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Filed Under: Honours and Awards
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Q:

What is plug and play ?

Answer

Plug and Play is a technology wherein hardware components that are installed on PC's using Microsoft operating system are immediately recognized and made usable. This means that the drivers necessary to make it work are already available in the operating system package.

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