Sawaal

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Q:

The first Sultan to adopt the principle of measurement of cultivable land for determining the land revenue was

A) Ghiyas - ud- din -Tughluq B) lltutmish
C) Ala-ud-din Khalji D) Balban
 
Answer & Explanation Answer: C) Ala-ud-din Khalji

Explanation:
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Filed Under: Indian History

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Q:

Which of the following is the largest group of animals?

A) Nematoda B) Porifera
C) Arthropoda D) Mollusca
 
Answer & Explanation Answer: C) Arthropoda

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Filed Under: Biology
Exam Prep: Bank Exams

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Q:

Which of the following places is associated with Jainism

A) Kapilvastu B) Pava
C) Prayag D) Shravasti
 
Answer & Explanation Answer: B) Pava

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Filed Under: Indian History

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Q:

Who is the first British footballer to play 100 champions League matches and the highest paid player in the world ?

Answer

David Beckham

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Subject: Famous Personalities

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Q:

Kalbaisakhis or Norwesters originate in

A) Chhota Nagpur Plateau B) Karnataka Coast
C) Coromandal Coast D) Malwa plateau
 
Answer & Explanation Answer: A) Chhota Nagpur Plateau

Explanation:

They are carried eastwards to West Bengal and Assam by westerly winds

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Filed Under: Indian Geography

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Q:

Decibel is the unit of

A) speed of light B) intensity of sound
C) intensity of heat D) None of these
 
Answer & Explanation Answer: B) intensity of sound

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Filed Under: Physics

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Q:

Function of Leghaemoglobin in nitrogen fixation _____

A) Absorption of oxygen B) Nutrion of bacteria
C) Absorption of light D) All
 
Answer & Explanation Answer: A) Absorption of oxygen

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Filed Under: Biology

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Q:

Light travels slowest in

A) Glass B) Water
C) Air D) Vacuum
 
Answer & Explanation Answer: A) Glass

Explanation:

Because the refractive index of glass is highest, light travels slowly in Glass. 

We know that the speed of light depends on the refraction index. The higher the index of refraction is, the slower the speed of light is.


R.I of air and vacuum = 0 (air is a teeny bit more but can be taken as 0)
R.I of water = 1.33
R.I of glass = 1.4.

 

Hence, Light travels slowest in Glass.

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Filed Under: Physics
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