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Q:

Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is

A) of variable refractive index B) made up of slabs of different refractive indices
C) homogeneous and transparent D) inhomogeneous and transparent
 
Answer & Explanation Answer: C) homogeneous and transparent

Explanation:

In vacuum and in homogeneous, transparent media, such as air, water, and glass, light moves in a straight line. When light encounters a boundary between two different transparent media, some light is reflected and some moves from the first into the second medium.

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Filed Under: Physics
Exam Prep: Bank Exams

1 1692
Q:

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one, which best expresses the same sentence in Passive/Active voice.

Dark clouds have overcast the evening sky.

A) By the dark clouds the evening sky was overcast. B) The evening sky has been overcast by the dark clouds.
C) Dark clouds overcastted the evening sky. D) The sky of the evening was overcasted by dark clouds.
 
Answer & Explanation Answer: B) The evening sky has been overcast by the dark clouds.

Explanation:
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Filed Under: English
Exam Prep: AIEEE , Bank Exams , CAT

0 1692
Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

 

The forming of a theory or conjecture without firm evidence

 

A) Verification B) Substantiation
C) Speculation D) Attestation
 
Answer & Explanation Answer: C) Speculation

Explanation:
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Filed Under: English
Exam Prep: Bank Exams , GRE , TOEFL

1 1692
Q:

A man travelled a distance of 99 km in 9 hours. He travelled partly on foot @ 9 km/hr and partly on bicycle @ 18 km/hr. What is distance (in kms) travelled on foot?

A) 36 B) 54
C) 63 D) 45
 
Answer & Explanation Answer: C) 63

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

1 1692
Q:

Value of (cos 53° - sin 37°) is

A) 2 sin 37 ̊ B) 2 cos 53 ̊
C) 0 D) 1
 
Answer & Explanation Answer: C) 0

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 1691
Q:

Which of the following cannot be beaten into Sheets?

A) Gold B) Silver
C) Potassium D) Aluminum
 
Answer & Explanation Answer: C) Potassium

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

5 1691
Q:

Find the missing number?

A) 32 B) 30
C) 28 D) 36
 
Answer & Explanation Answer: D) 36

Explanation:
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Filed Under: Mathematical Operations
Exam Prep: Bank Exams

6 1691
Q:

A dishonest milkman buys milk at Rs 24 per litre and adds 1/3 of water to it and sells the mixture at Rs 32 per litre. What is his gain?

A) 33.33 percent B) 50 Percent
C) 77.78 percent D) 66.67 percent
 
Answer & Explanation Answer: C) 77.78 percent

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

3 1691