Q:

The principal quantum number indicates what property of an electron?

A) energy of electron	B) distance of electron from nucleus
C) both a & b	D) number of subshells

Answer & Explanation Answer: C) both a & b

Explanation:

The principal quantum number is the property of an electron which determines the energy of electron and the distance of electron from the nucleus of an atom.

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Q:

Which of the following processes would release energy?

A) Condensation	B) Fermentation
C) Evaporation	D) None of the above

Answer & Explanation Answer: A) Condensation

Explanation:

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Q:

Which country has recorded second highest COVID19 death toll in world after China?

A) Italy	B) Iran
C) India	D) Japan

Answer & Explanation Answer: A) Italy

Explanation:

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Q:

An electron and a proton starting from rest get accelerated through potential difference of 100kV. The final speeds of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct?

A) Ve > Vp	B) Ve < Vp
C) Ve = Vp	D) Cannot be determined

Answer & Explanation Answer: A) Ve > Vp

Explanation:

Both when accelerated through a potential difference of 100KV, they will have the same energy. The mass of the electron is less than the mass of a proton, hence it will move faster(momentum).

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Q:

Guernica, the world famous painting was painted by

A) Van Gogh	B) Michelangelo
C) Picasso	D) Leonardo Da Vinci

Answer & Explanation Answer: C) Picasso

Explanation:

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Q:

DSL is an example of what type of internet access?

A) Wireless	B) Network
C) Broadband	D) Slow

Answer & Explanation Answer: C) Broadband

Explanation:

Digital Subscriber Line (DSL) is a broadband connection. It is an internet access with several high-speed transmission technology.

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Q:

Siachen is a

A) frontier zone between India and Myanmar	B) desert frontier zone between India and Pakistan
C) glacier frontier zone between India and Pakistan	D) frontier zone between China and India

Answer & Explanation Answer: C) glacier frontier zone between India and Pakistan

Explanation:

Siachen is a glacier frontier zone between India and Pakistan.

Siachen_is_a1554289418.jpg image

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Q:

Rearrange the parts of the sentence in correct order:
At one level,
P - the law in understanding
Q - such cases of violence
R - one senses the limits of

A) RQP	B) PQR
C) RPQ	D) QRP

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