Questions

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 106 m/s. What is the equivalent current? (Electronic charge = 1.6 x10-19 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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Q:

A conductor having some appreciable resistance is called a

A) Resistor B) Insulator
C) Conductor D) Semi-conductor
 
Answer & Explanation Answer: A) Resistor

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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

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Q:

Which of the following cities is the new capital of Seemaandhra?

A) Amaravati B) Secunderabad
C) Vijayawada D) Vishakhapatnam
 
Answer & Explanation Answer: A) Amaravati

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Q:

Which one of the following statements is correct with respect to the composition of national income in India?

A) The share of manufacturing sector has declined B) The share of services sector has increased sharply.
C) The share of agriculture has remained static. D) The share of services sector has declined.
 
Answer & Explanation Answer: B) The share of services sector has increased sharply.

Explanation:

The growth scenario in India shows that the services sector has become the most dominant in the later part of its growth process. The share of services sector in GDP increased from 28.5 per cent in 1950-51 to 39.6 per cent in 1990-91 and then to 52.6 per cent in 2014-15 while the share of primary sector declined from 56.4 per cent in 1950-51 to 33.4 per cent in 1990-91 and then to only 19.0 per cent in 2014-15.

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Q:

The ‘National Trade Facilitation Action Plan’ has been formulated for implementation of World Trade Organisation’s Trade Facilitation Agreement(TFA). It will be implemented in between the years ______.

A) 2017-20 B) 2018-20
C) 2018-21 D) 2019-22
 
Answer & Explanation Answer: A) 2017-20

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Q:

Which  one  of  the  following  statements  is not correct?

A) Pavo  cristatus  is  the  national  bird  of India. B) Nelumbo nucifera gaertn is the national flower of India.
C) Ficus  benghalens is  is  the  national  tree of India. D) Mangifera  indica  is  the  national  animal of India.
 
Answer & Explanation Answer: D) Mangifera  indica  is  the  national  animal of India.

Explanation:

All   are   correct   except   D,   as Mangifera  indica  is  scientific  name of Mango

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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

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