Q:

In a hydrogen atom, an electron moves in an orbit of radius $5.0 x 10^{- 11}$ m with a speed of $2.2 x 10^{6}$ m/s. What is the equivalent current? (Electronic charge = $1.6 x 10^{- 19}$ C)

A) 0.112 mA	B) 112 mA
C) 11.2 mA	D) 1.12 mA

Answer & Explanation Answer: D) 1.12 mA

Explanation:

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Filed Under: Physics
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Q:

The number of parliamentary seats (Rajya Sabha) of Tamil Nadu is

A) 12	B) 16
C) 18	D) 31

Answer & Explanation Answer: C) 18

Explanation:

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Filed Under: Indian Politics
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Q:

Which one of the following is the largest source of electricity in India?

A) Hydropower plants	B) Nuclear power plants
C) Thermal power plants	D) Wind energy

Answer & Explanation Answer: C) Thermal power plants

Explanation:

About 65% of the electricity consumed in India is generated by thermal power plants, 22% by hydroelectric power plants, 3% by nuclear power plants and rest by 10% from other alternate sources like solar, wind, biomass etc.

India is the sixth largest in terms of power generation.

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Filed Under: General Awareness
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Q:

Gustation refers to the sense of which of the following ?

A) Smell	B) Hearing
C) Tactile	D) Taste

Answer & Explanation Answer: D) Taste

Explanation:

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Filed Under: General Science
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Q:

Equinox means the date when ___________.

A) duration of day and night are equal	B) day is longer than the night
C) night is longer than the day	D) it is the shortest day and the shortest night of the year

Answer & Explanation Answer: A) duration of day and night are equal

Explanation:

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Filed Under: General Science
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Q:

Which of the following is indicated by the colour of a star ?

A) weight	B) distance
C) temperature	D) size

Answer & Explanation Answer: C) temperature

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Filed Under: General Science
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Q:

Which of the following is Study of fossils ?

A) Ethology	B) Etiology
C) Anthropology	D) Palaeontology

Answer & Explanation Answer: D) Palaeontology

Explanation:

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Filed Under: General Science
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Q:

Bridgmanite is

A) A bridge on the river Thames	B) Name of a game
C) Earth's most abundant mineral	D) Name of a music

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