Q:

What type of electromagnetic radiation is used in the remote control of a television?

A) Ultraviolet	B) Visible
C) Infrared	D) None of the above

Answer & Explanation Answer: C) Infrared

Explanation:

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Filed Under: Physics
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5 2052

Q:

Which one of the following elements is used as a timekeeper in atomic clocks?

A) Potassium	B) Caesium
C) Calcium	D) Magnesium

Answer & Explanation Answer: B) Caesium

Explanation:

When exposed to certain frequencies of radiation, such as radio waves, the subatomic particles called electrons that orbit an atom's nucleus will "jump" back and forth between energy states. Clocks based on this jumping within atoms can therefore provide an extremely precise way to count seconds.It is no surprise then that the international standard for the length of one second is based on atoms. Since 1967, the official definition of a second is 9,192,631,770 cycles of the radiation that gets an atom of the element called caesium to vibrate between two energy states.

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Filed Under: Chemistry
Exam Prep: Bank Exams

0 2052

Q:

When the diaphragm and external intercostal muscles contract,

A) the volume of the thorax decreases.	B) the volume of the lungs decreases.
C) the volume of the thorax increases.	D) the lungs shrink.

Answer & Explanation Answer: C) the volume of the thorax increases.

Explanation:

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Filed Under: Biology
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3 2052

Q:

A molecule of dna is a polymer composed of

A) Amines	B) Nuceotides
C) Chromosomes	D) Fattyacids

Answer & Explanation Answer: B) Nuceotides

Explanation:

A molecule of DNA is a polymer composed of nucleotides. Each nucleotide is composed of a nitrogenous base, a five-carbon sugar (deoxyribose), and a phosphate group.

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Filed Under: Biology
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1 2052

Q:

India's Multi Application Solar Telescope (MAST) was operationalized at the ____ Solar Observatory.

A) Udaipur	B) Jaipur
C) Kodaikanal	D) Ahmedabad

Answer & Explanation Answer: A) Udaipur

Explanation:

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Filed Under: Indian Geography

2 2051

Q:

Where are the Garo Hills located?

A) Assam	B) Nagaland
C) Meghalaya	D) Mizoram

Answer & Explanation Answer: C) Meghalaya

Explanation:

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Filed Under: Indian Geography
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1 2051

Q:

If the latitude and longitudinal extent of an Indian State/UT is 15o48’00’’N to 14o53’15’’N and 74o20’13’’E to 74o40’33’’E, then which one of the following is that State/UT ?

A) Puducherry	B) Chandigarh
C) Goa	D) Delhi

Answer & Explanation Answer: C) Goa

Explanation:

Delhi: Latitude-28.38 N, Longitude-77.12 E

Chandigarh: Latitude-30.44 N, Longitude-76.47 E

Puducherry: Latitude-11° 54' N, Longitude-79° 48' E

Goa: Latitude-15°29'N. N, Longitude-73°48'E.

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Filed Under: Indian Geography
Exam Prep: Bank Exams

0 2051

Q:

The magnitude of buoyant force depends on the .......... of the fluid.

A) mass	B) temperature
C) volume	D) density

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