Questions

Q:

In spherical polar coordinates (l, q, a), q denotesthe polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by

A) Psinq sina B) Psinq cosa
C) Pcosq sina D) Pcosq cosa
 
Answer & Explanation Answer: A) Psinq sina

Explanation:

The Cartesian Coordinates can be retrieved from spherical coordinates (l,q,a) by:

X = r.sinq.cosa

Y = r.sinq.sina

Z = r.sinq

Using the same we get for P,

Y = P.sinq.sina

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Filed Under: Physics
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Q:

In which of the following years Beti Bachao Beti Padhao (Save the daughter, educate the daughter) scheme was launched?

A) 2015 B) 2010
C) 2012 D) 2018
 
Answer & Explanation Answer: A) 2015

Explanation:
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Filed Under: Indian Politics
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Q:

The basic unit of the nervous system is the

A) Lymphs B) Nephrons
C) Nerves D) Neurons
 
Answer & Explanation Answer: D) Neurons

Explanation:

The basic unit of the nervous system is the Neurons.

 

The neuron is a single nerve cell, and you have billions of them.

There are three basic types of neurons::

1. Association,

2. Afferent  and

3. Efferent.

The association neurons comprise the central nervous system (CNS) that is the brain and spinal cord.

The afferent neurons are also known as the sensory neurons, they bring the stimuli from the sensors (e.g., skin, eyes, ears) to the CNS.

The efferent neurons are also known as motor neurons, they bring the responses from the brain to the muscles and the glands.

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Filed Under: Biology
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Q:

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correctalternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

He is a fast bowler of repute, but his yesterday's performance was not up to the mark.

A) performance for yesterday B) yesterday performance
C) performances for yesterday D) No improvement
 
Answer & Explanation Answer: D) No improvement

Explanation:
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Q:

Which place receives the highest rainfall in India?

A) Agumbe B) Mawsynrum
C) Cherrapunji D) Mahabaleshwar
 
Answer & Explanation Answer: B) Mawsynrum

Explanation:

The top 7 places that experience the highest rainfall in India are ::

1. Mawsynram
2. Cherrapunji
3. Agumbe
4. Mahabaleshwar
5. Pasighat
6. Amboli
7. Gangtok

 

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Filed Under: Indian Geography
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Q:

Who is the new RBI Governor?

A) Urjit Patel B) Shaktikanta Das
C) Raghuram Rajan D) Smt. Pallavi Nair
 
Answer & Explanation Answer: A) Urjit Patel

Explanation:

Shaktikanta Das, member of the fifteenth finance commission, as the governor of the Reserve Bank of India (RBI), a day after Urjit Patel resigned at the end of a bruising tussle with the government over the regulator’s independence and the regulation of banks.

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Filed Under: General Awareness
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Q:

The Shramjeevi Express Train runs between

A) Rajgir - New Delhi B) New Delhi - Howrah
C) Patna - Howrah D) Howrah - Rajgir
 
Answer & Explanation Answer: A) Rajgir - New Delhi

Explanation:

The Shramjeevi Train is a daily superfast express train of Indian Railways, running between Rajgir, near Nalanda, Bihar, and New Delhi, the capital city of India. Previously it was running between Patna and New Delhi, later extended to Rajgir.

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Q:

Improve the bracketed part of the sentence.
The stranded pilgrims (had waited) in the bitter cold for more than two hours now.

A) has been waiting B) have been waiting
C) have waited D) no improvement
 
Answer & Explanation Answer: B) have been waiting

Explanation:
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