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Q:

When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible forth is observation is

A) reflection of light B) refraction of light
C) dispersion of light D) scattering of light
 
Answer & Explanation Answer: D) scattering of light

Explanation:

According to Rayleigh's law, the intensity of scattered light varies inversely as the fourth power of its wavelength. Sunlight consists of seven colours. Of these, red has the maximum wavelength. During sunrise and sunset, the rays have to travel a larger part of the atmosphere because they are very close to the horizon.Therefore, light other than red is mostly scattered away. Most of the red light, which is the least scattered, enters our eyes. Hence, the sun and the sky appear red.

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Filed Under: Physics
Exam Prep: Bank Exams

Q:

If South-East is changed to North and North-East to West and so on, then what will come in place of South?

A) South-West B) North-East
C) South-East D) North-West
 
Answer & Explanation Answer: B) North-East

Explanation:
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Filed Under: Direction Sense Test
Exam Prep: Bank Exams

Q:

From the given alternative words, select the word which cannot be formed using the letters of the given word:

COMMENTATOR

A) MART B) COMMON
C) MOMENT D) CONTRACT
 
Answer & Explanation Answer: D) CONTRACT

Explanation:
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Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

Q:

M is brother of N. B is brother of N. M is brother of D. But N is not brother of D. How is N related to D?

A) Nephew B) Cousin
C) Sister D) Brother
 
Answer & Explanation Answer: C) Sister

Explanation:
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Filed Under: Blood Relations
Exam Prep: Bank Exams

Q:

Which of the numbers given below is NOT rational?

A) 3√8 B) 3√64
C) √64 D) √8
 
Answer & Explanation Answer: D) √8

Explanation:
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Filed Under: Numbers
Exam Prep: Bank Exams

Q:

If there are four lines in a plane, then what cannot be the number of points of intersection of these lines?

A) 0 B) 5
C) 4 D) 7
 
Answer & Explanation Answer: D) 7

Explanation:
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

Q:

A train leaves Delhi at 10 a.m. and reaches Jaipur at 4 p.m. on same day. Another train leaves Jaipur at 12 p.m. and reaches Delhi at 5 p.m. on same day. What is the time of day (approximately) when the two trains will meet?

A) 1:42 p.m. B) 1:27 p.m.
C) 2:04 p.m. D) 1:49 p.m.
 
Answer & Explanation Answer: D) 1:49 p.m.

Explanation:
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Filed Under: Time and Distance
Exam Prep: Bank Exams

Q:

Which of the following country is not a member of BRICS association?

A) Brazil B) Russia
C) Iceland D) China
 
Answer & Explanation Answer: C) Iceland

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