Questions

Q:

In an optical fibre the signal is transmitted

A) in a straight line path B) In a curved path
C) due to total internal reflection D) Due to refraction
 
Answer & Explanation Answer: D) Due to refraction

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Q:

The weight of a boy on the surface of the moon is 300 N. The weight of the same boy on the surface of the earth will be

A) 300 N B) 50 N
C) 1800 N D) 5 N
 
Answer & Explanation Answer: C) 1800 N

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Q:

While watching 3D movies at the theater, we have to wear special glasses because?

A) The glasses allow our left and right eyes to see different images B) 3-D movies use special colors which cannot be sensed by the human eye
C) 3-D movies are brighter than ordinary movies and can hurt our eyes if seen directly D) The glasses allow both the eyes to see similar images
 
Answer & Explanation Answer: A) The glasses allow our left and right eyes to see different images

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Q:

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with someLogic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives

A) 8 – 64 B) 6 – 36
C) 4 – 16 D) 2 – 12
 
Answer & Explanation Answer: D) 2 – 12

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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

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Q:

The side BC of the ΔABC is extended to the point D. If ∠ ACD = 112° and ∠B = 3/4 ∠A, then the value of ∠B is

A) 64° B) 48°
C) 46° D) 50°
 
Answer & Explanation Answer: B) 48°

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Q:

Who discovered Potassium?

A) Humphry Davy B) Alan Turing
C) Bill Gates D) Tim Berners-Lee
 
Answer & Explanation Answer: A) Humphry Davy

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Q:

Who invented the waterproof raincoat?

A) Robert Hooke B) Cai Lun
C) Charles Macintosh D) William Harvey
 
Answer & Explanation Answer: C) Charles Macintosh

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