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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:

What will be the value of the kinetic energy (Ek) of a moving body with mass m, if its speed is doubled from v to 2v?

A) 1/2 Ek B) 4 Ek
C) There will be no change in Ek D) 2 Ek
 
Answer & Explanation Answer: B) 4 Ek

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

If an object is placed at the center of curvature of a concave mirror, then the image formed will be

A) virtual and enlarged B) virtual and diminished
C) real and of the same size D) real and enlarged
 
Answer & Explanation Answer: C) real and of the same size

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Which is the venue of the ‘Exercise Desert Knight 21’?

A) Jodhpur B) Kolkata
C) Goa D) Andaman and Nicobar Islands
 
Answer & Explanation Answer: A) Jodhpur

Explanation:
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Filed Under: General Awareness
Exam Prep: Bank Exams

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Q:

The tenure of the members of Lok Sabha is for how many years?

A) 11 B) 7
C) 6 D) 5
 
Answer & Explanation Answer: D) 5

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

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Q:

What is the capital of Austria?

A) Buenos Aires B) Rome
C) Vienna D) Dublin
 
Answer & Explanation Answer: C) Vienna

Explanation:
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Filed Under: Country Capitals
Exam Prep: Bank Exams

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Q:

49th Parallel is the boundary line between which two countries?

A) USA and Canada B) North and South Vietnam
C) Germany and France D) Brazil and Chile
 
Answer & Explanation Answer: A) USA and Canada

Explanation:
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Filed Under: World Geography
Exam Prep: Bank Exams

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Q:

SAARC Agriculture Centre (SAC) is based in which city?

A) Islamabad B) Dhaka
C) Colombo D) Kathmandu
 
Answer & Explanation Answer: B) Dhaka

Explanation:
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Filed Under: World Organisations
Exam Prep: Bank Exams

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