Q:

The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is

A) diffraction	B) interference
C) dispersion	D) reflection

Answer & Explanation Answer: C) dispersion

Explanation:

A rainbow is a natural spectrum appearing in the sky after a rain shower. It is caused by dispersion of sunlight by tiny water droplets, present in the atmosphere. A rainbow is always formed in a direction opposite to that of the Sun. The water droplets act like small prisms. They refract and disperse the incident sunlight, then reflect it internally, and finally refract it again when it comes out of the raindrops.

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Filed Under: Physics
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Q:

Who invented "Coca Cola"?

A) Floyd Paxton	B) Les Paul
C) John Pemberton	D) Forrest Parry

Answer & Explanation Answer: C) John Pemberton

Explanation:

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Filed Under: Inventions
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Q:

In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it.

SQUANDER

A) SPEND	B) REDUCE
C) SLANDER	D) SKIMP

Answer & Explanation Answer: D) SKIMP

Explanation:

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Filed Under: English
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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Very rude or coarse; vulgar.

A) gross	B) adipose
C) porcine	D) corpulent

Answer & Explanation Answer: A) gross

Explanation:

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Q:

The 13th G20 Summit 2018 held in?

A) India	B) Japan
C) Argentina	D) None of the above

Answer & Explanation Answer: C) Argentina

Explanation:

The 13th G20Summit 2018 held in Argentina and next year 2019 14th G20 Summit will be hed in Osaka, Japan.

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Filed Under: General Awareness
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Q:

Which instrument is used for photographing the Sun?

A) Galvanometer	B) Potentiometer
C) Spectrophotometer	D) Spectroheliograph

Answer & Explanation Answer: D) Spectroheliograph

Explanation:

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Filed Under: General Science
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Q:

Order Primata comprising monkey, gorilla and gibbon is placed in class Mammalia along with order Carnivora that includes?

A) Giraffe, Camels and Elephants	B) Crocodile, Lizard and Snake
C) Lion, Leopard and Tiger	D) Tiger, Cats and Dogs

Answer & Explanation Answer: D) Tiger, Cats and Dogs

Explanation:

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Filed Under: General Science
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Q:

Which dynasty was ruling in Vijaynagar empire at the time of the Battle of Talikota?

A) Sangam	B) Aniridu
C) Tuluva	D) Saluva

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