Q:

Which one of the following is not a property of electromagnetic waves?

A) Electromagnetic waves do not show interference and diffraction.	B) Oscillating electric field and magnetic field are perpendicular to each other.
C) Electromagnetic waves are transverse waves	D) Electromagnetic waves do not require a medium to propagate.

Answer & Explanation Answer: A) Electromagnetic waves do not show interference and diffraction.

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Q:

Device used for the detection and measurement of all types of radiation (alpha, beta and gamma)

A) Geiger counter	B) Polarimeter
C) Calorimeter	D) Radiometer

Answer & Explanation Answer: A) Geiger counter

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Q:

Terminal velocity ________.

A) first increases before decreasing	B) is constant
C) first decreases before increasing	D) always keeps on increasing

Answer & Explanation Answer: B) is constant

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Q:

What type of lens is used to correct vision of a person suffering from Myopia?

A) Convex lens	B) Concave lens
C) Crossed lens	D) Cylindrical lens

Answer & Explanation Answer: B) Concave lens

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Filed Under: General Awareness

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Q:

Which of the following will cause an increase in the demand for coffee?

A) Price of coffee falling in foreign markets	B) Coffee prices are expected to fall rapidly in domestic markets
C) Average income falls in the country	D) Increase in price of tea

Answer & Explanation Answer: D) Increase in price of tea

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Q:

Which system is used by the Digital Computers to encode data and Programs?

A) Decimal	B) Binary
C) Hexa decimal	D) Octal

Answer & Explanation Answer: B) Binary

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Q:

Who is the author of the book titled 'Selection Day'?

A) Aravind Adiga	B) Anil Menon
C) Krishna Sobti	D) Arunava Sinha

Answer & Explanation Answer: A) Aravind Adiga

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Filed Under: Books and Authors
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Q:

Who among the following is the author of the book, A comparison between Woman and Men?

A) Pandita Ramabai	B) Sarojini Naidu
C) Tarabai Shinde	D) Rameshwari Nehru

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