Q:

A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct?

A) The wavelength of X-ray photon is less than the wavelength of visible radiation photon.	B) Both the photons have different energies.
C) The speeds of both the photons in vacuum are different	D) The frequency of X-ray photon is higher than the frequency of visible radiation photon.

Answer & Explanation Answer: C) The speeds of both the photons in vacuum are different

Explanation:

The speed of all the electromagnetic radiation are always same and equal to the numerical value 3 x 10^8m/sec.

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Q:

What is the unit of electric resistance?

A) Dyne	B) Pascal
C) Joule	D) Ohms

Answer & Explanation Answer: D) Ohms

Explanation:

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Q:

A broadcasting station transmits waves with a frequency of $71 x 10^{4}$ Hz and a speed of $3 x 10^{8}$ m/s. The wavelength of the wave is

A) 324.6 m	B) 422.5 m
C) 208.4 m	D) 418.8 m

Answer & Explanation Answer: B) 422.5 m

Explanation:

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Q:

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

Put up the shutters

A) Went out of business	B) Experienced a downside
C) Sold off assets	D) Changed ownership

Answer & Explanation Answer: A) Went out of business

Explanation:

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Q:

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

The crime of betraying one's country

A) Treason	B) Frankness
C) Fidelity	D) Allegiance

Answer & Explanation Answer: A) Treason

Explanation:

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Q:

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

She has no pen to write.

A) write with	B) write at
C) write in	D) No improvement

Answer & Explanation Answer: A) write with

Explanation:

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Q:

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

Under a cloud

A) Shocked	B) Sad
C) Sick	D) Confused

Answer & Explanation Answer: B) Sad

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.

Cavalier

A) Condescending	B) Curt
C) HumblE	D) Haughty

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