Q:

The colour of a thin film is due to

A) Scattering	B) Dispersion
C) Diffraction	D) Interference

Answer & Explanation Answer: D) Interference

Explanation:

In physics, interference is a phenomenon in which two waves superpose to form a resultant wave of greater, lower, or the same amplitude. The color bands in thin films are a result of wavelength dependent interference caused by the close spacing of the surfaces of the film.

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Q:

What is the unit of the physical quantity "Young's modulus"?

A) newton	B) erg
C) joule	D) pascal

Answer & Explanation Answer: D) pascal

Explanation:

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Q:

A huge network of millions of computer networks constitutes the ___________

A) Internet	B) Satellites
C) Electronic device	D) e-mail

Answer & Explanation Answer: A) Internet

Explanation:

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Q:

Who will be India's Republic Day chief guest in 2019?

A) Donald Trump	B) Cyril Ramaphosa
C) Theresa May	D) Scott Morrison

Answer & Explanation Answer: B) Cyril Ramaphosa

Explanation:

South Africa's President Cyril Ramaphosa will be India's Republic Day chief guest in 2019.

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Q:

Who was the first woman Chief Minister of Uttar Pradesh?

A) Annie Besant	B) Mayawati
C) Vijayalakshmi Pandit	D) Sucheta Kriplani

Answer & Explanation Answer: D) Sucheta Kriplani

Explanation:

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Q:

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.

Irk

A) Attract	B) Discourage
C) Irritate	D) Please

Answer & Explanation Answer: D) Please

Explanation:

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Filed Under: English
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Q:

Choose the word which is nearly opposite in meaning to the given word ‘CACOPHONOUS’

A) Tamed	B) Harmonious
C) Domestic	D) Silent

Answer & Explanation Answer: B) Harmonious

Explanation:

Cacophonous means loud or noisy

Tamed means make less powerful and easier to control

Harmonious means tuneful, melodious → which is nearly opposite in meaning to Cacophonous

Domestic means relating to the running of a home

Silent means not making any sound.

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Filed Under: English
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Q:

In the following question, choose the word which is opposite in meaning to the give word and click the button corresponding to it.

GRACEFUL

A) AWKWARD	B) ELEGANT
C) GRACIOUS	D) UGLY

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