Questions

Q:

What is refractive index ?

A) it is defined as the ratio of speed of light in the medium to the speed of light in vacuum. B) it is defined as the product of speed of light in medium and in vacuum.
C) it is defined as the ratio of speed of light in vacuum to the speed of light in the medium . D) None of above
 
Answer & Explanation Answer: C) it is defined as the ratio of speed of light in vacuum to the speed of light in the medium .

Explanation:
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Filed Under: Physics

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Q:

In terms of percent, whiskey has more alcohol than wine.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

in_terms_of_percent_whiskey_has_more_alcohol_than_wine1558417798.png image


From the above figure, we can say that there is the same amount of alcohol in one regular beer (340 ml/12 oz, 5% alcohol), one glass of wine (140 ml/5oz, 12% alcohol), one glass of fortified wine (85 ml/3oz, 20% alcohol) and one shot of spirits (45 ml/1.5 oz, 40% alcohol).


 


Hence, the given statement whiskey has more alcohol than wine is TRUE.

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Subject: General Science
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Q:

Which country has built the world's largest amphibian aircraft ?

A) Japan B) Russia
C) China D) India
 
Answer & Explanation Answer: C) China

Explanation:

China's amphibian aircraft, which is stated to be the world's largest, has successfully passed engine tests and is expected to make its maiden flight in the first half of the year 2017.

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Filed Under: General Awareness
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Q:

Which planet is known as "Bright Wandering Star"?

A) Saturn B) Jupiter
C) Earth D) Venus
 
Answer & Explanation Answer: B) Jupiter

Explanation:

The planet Jupiter is known as "Bright Wandering Star".

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Q:

Which scientist discovered the radioactive element radium?

A) Isaac Newton B) Marie Curie
C) Benjamin Franklin D) None of these
 
Answer & Explanation Answer: B) Marie Curie

Explanation:
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Filed Under: Inventions

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Q:

Which of these is unique to flowering plants?

A) double fertilization B) an embryo surrounded by nutritive tissue
C) haploid gametophytes D) pollen production
 
Answer & Explanation Answer: A) double fertilization

Explanation:

In flowering plants one sperm nucleus fertilizes the egg and the other sperm nucleus fuses with two other nuclei found within the ovule, thus forming triploid endosperm.

 

Hence, double fertilization is unique to flowering plants.

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Filed Under: Biology
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Q:

The water molecule has a dipole with the negative portion

A) localized on one of the hydrogens B) localized between the hydrogen atoms
C) pointing toward the oxygen atom D) pointing from the oxygen through the hydrogen atoms
 
Answer & Explanation Answer: C) pointing toward the oxygen atom

Explanation:

The water molecule has a dipole with the negative portion pointing toward the oxygen atom.

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Filed Under: Chemistry
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Q:

Second generation computers were developed during

A) 1956 - 1963 B) 1970 - 1975
C) 1975 - 1980 D) 1990 - 2000
 
Answer & Explanation Answer: A) 1956 - 1963

Explanation:

Second generation computers were developed during 1956 - 1963.

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Filed Under: Computer
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