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Q:

What is the principal focus of a spherical mirror?

A) It is a point from which the rays of light appear to be coming from on the principal axis of a convex mirror B) It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection or appear to be arising from this point on the principal axis
C) It is the centre of a hollow sphere of which the spherical mirror is a part D) It is the midpoint of a spherical mirror
 
Answer & Explanation Answer: B) It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection or appear to be arising from this point on the principal axis

Explanation:
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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

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Q:

A conductor having some appreciable resistance is called a

A) Resistor B) Insulator
C) Conductor D) Semi-conductor
 
Answer & Explanation Answer: A) Resistor

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Filed Under: Physics
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Q:

Which one of the following is not an International Human Rights Treaty?

A) International Covenant on Civil and Political Rights B) Convention on the Elimination of All Forms of Discrimination against Women
C) Convention on the Rights of Persons with Disabilities D) Declaration on the Right to Development
 
Answer & Explanation Answer: A) International Covenant on Civil and Political Rights

Explanation:

The International Bill of Human Rights has been further supplemented by various other international treaties, conventions and declarations. They are usually regarded as “human rights instruments”. The important among them are as follows....

•Convention on the Elimination of All Forms of Discrimination Against Women (1979)

•Declaration on the Right to Development (1986)

•Convention on the Rights of Persons with Disabilities (2006).

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Filed Under: Indian Politics
Exam Prep: Bank Exams

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Q:

An object having a mass 'm' moving with a velocity 'v' possesses a kinetic energy 'K'. If its velocity is doubled, its kinetic energy will become:

A) K/2 B) 2K
C) 4K D) K/4
 
Answer & Explanation Answer: C) 4K

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

On 19 September 2017, Law Ministry approved Fugitive Economic Offenders Bill, 2017. The proposed bill will be applicable in cases where the value of offences is over ______.

A) Rs 100 crores B) Rs 50 crores
C) Rs 25 crores D) Rs 200 crores
 
Answer & Explanation Answer: A) Rs 100 crores

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Filed Under: General Awareness
Exam Prep: Bank Exams

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Q:

Which of the following is Study of fossils ?

A) Ethology B) Etiology
C) Anthropology D) Palaeontology
 
Answer & Explanation Answer: D) Palaeontology

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

Which is the most powerful piece in a game of chess?

A) King B) Queen
C) Rook D) Knight
 
Answer & Explanation Answer: B) Queen

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Filed Under: General Science
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Q:

Which one of the following statements is not correct?

A) When total utility is maximum, marginal utility is zero B) When total utility is decreasing, marginal utility is negative
C) When total utility is increasing, marginal utility is positive D) When total utility is maximum,marginal and average utility are equal to each other.
 
Answer & Explanation Answer: D) When total utility is maximum,marginal and average utility are equal to each other.

Explanation:

Total utility -It is total psychological satisfaction which a consumer derives from the consumption of a commodity is known as total utility

Marginal utility -It is anaddition made in total utility by consuming and additional unit of a commodity is known as marginal utility.

•When marginal utility is positive,total utility increases

•When marginal utility is zero,total utility is at maximum

•When marginal utility is negative,total utility decreases

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Filed Under: Indian Economy
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