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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7 7634

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

Explanation:

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Filed Under: Physics

15 7628

Q:

The first Indian to receive Nobel Prize in Literature was

A) Mother Teresa	B) Rabindranath Tagore
C) Sarojini Naidu	D) C.V.Raman

Answer & Explanation Answer: D) C.V.Raman

Explanation:

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Filed Under: Honours and Awards

16 7627

Q:

Nuclear bombs were dropped on Hiroshima and Nagasaki during the________.

A) World War I	B) Asian War I
C) Gulf War II	D) World War II

Answer & Explanation Answer: D) World War II

Explanation:

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Filed Under: World History
Exam Prep: Bank Exams

10 7625

Q:

The Administrative council os shivaji was known as

A) Parishad	B) Mantri Parishad
C) Ashta Pradhan	D) Rajya Parishad

Answer & Explanation Answer: C) Ashta Pradhan

Explanation:

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Filed Under: Indian History

10 7625

Q:

For purifying drinking water alum is used

A) TRUE

B) FALSE

Answer & Explanation Answer: A) TRUE

Explanation:

In purifying drinking water alum is used for coagulation of mud particles.

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Subject: General Science
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7 7617

Q:

Which of the following animals was not native to India?

A) Rhinoceros	B) Tiger
C) Horse	D) Elephant

Answer & Explanation Answer: C) Horse

Explanation:

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Filed Under: Indian Geography
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11 7612

Q:

A body is initially moving with a velocity of 10 m/s. It undergoes an acceleration of 2 m/s2 for 5 seconds. Find the displacement (in m) of this body in these 5 seconds.

A) 25	B) 37.5
C) 50	D) 75

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