Questions

Q:

Sunspots appear dark because they are

A) hotter than the rest of the Sun's surface. B) more magnetic than the rest of the Sun's surface. 
C) cooler than the rest of the Sun's surface. D) None of the above
 
Answer & Explanation Answer: C) cooler than the rest of the Sun's surface.

Explanation:

Sunspots are a magnetic phenomenon on the Sun.

The reason a sunspot appears dark is that they are cooler than the rest of the Sun's surface and also the gas inside the spot where the magnetic field is strongest is only emitting about 1/4 as much light as from the rest of the solar surface. 

 

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Filed Under: Physics
Exam Prep: Bank Exams , CAT

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Q:

Consider a hypothetical planet whose mass and radius are both half that of Earth. If g is the acceleration due to gravity on the surface of Earth, the acceleration due to gravity on the planet will be

A) g/4 B) g
C) 2g D) g/2
 
Answer & Explanation Answer: C) 2g

Explanation:
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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

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Q:

Who was the winner of 2017 Australian Grand Prix?

A) Sebastian Vettel B) Lewis Hamilton
C) Valtteri Bottas D) Kimi Raikkonen
 
Answer & Explanation Answer: A) Sebastian Vettel

Explanation:
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Filed Under: Honours and Awards
Exam Prep: Bank Exams

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Q:

Who invented the hot air balloon?

A) Montgolfier brothers B) Wright brothers
C) Lisitsyn brothers D) Walton brothers
 
Answer & Explanation Answer: A) Montgolfier brothers

Explanation:
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Filed Under: Inventions
Exam Prep: Bank Exams

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Q:

Wayne Rooney, the famous footballer, hails from which country?

A) Italy B) Brazil
C) Argentina D) England
 
Answer & Explanation Answer: D) England

Explanation:

Wayne Rooney was born on October 24, 1985, in Croxteth, Liverpool, England.

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Filed Under: Famous Personalities
Exam Prep: Bank Exams

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Q:

The angles of depression of two ships from the top of a light house are 60° and 45° towards east. If the ships are 300 m apart, the height of the light house is

A) 200(3+√3) meter B) 250(3+√3) meter
C) 150(3+√3) meter D) 160(3+√3) meter
 
Answer & Explanation Answer: C) 150(3+√3) meter

Explanation:
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Q:

How many triangles are there in the given figure?

A) 24 B) 26
C) 36 D) 32
 
Answer & Explanation Answer: C) 36

Explanation:
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Q:

Who among the following was the court physician of Kanishka?

A) Vasumitra B) Nagarjuna
C) Charaka D) Patanjali
 
Answer & Explanation Answer: C) Charaka

Explanation:
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Filed Under: Indian History
Exam Prep: Bank Exams

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