Q:

An object is placed at the centre of curvature of a concave mirror. Its image is formed at

A) a point beyond centre of curvature	B) a point between focus and centre of curvature
C) the centre of curvature	D) the focus

Answer & Explanation Answer: B) a point between focus and centre of curvature

Explanation:

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Filed Under: Physics
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Q:

Which of the following statements are CORRECT?

I. Oxides of metals are generally basic.

II. Oxides of non-metals are generally acidic.

III. Non-metals are generally electro positive.

A) Only I and II	B) Only I and III
C) Only II and III	D) All I, II and III

Answer & Explanation Answer: A) Only I and II

Explanation:

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Filed Under: Chemistry
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Q:

The source of energy of the sun is

A) Nuclear fusion	B) Photoelectric effect
C) Nuclear fission	D) Chemical reaction

Answer & Explanation Answer: A) Nuclear fusion

Explanation:

The transformation of Hydrogen atoms into Helium atoms with an emission of vast amount of energy is called nuclear fusion which is the source of energy for the Sun.

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Filed Under: General Science
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Q:

The Sum of three consecutive numbers is 126.Find the highest number.

A) 41	B) 42
C) 43	D) 44

Answer & Explanation Answer: D) 44

Explanation:

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Filed Under: Inventions
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Q:

The weight of an object will be minimum when it is placed at ?

A) The North Pole	B) The South Pole
C) The Equator	D) The center of the Earth

Answer & Explanation Answer: D) The center of the Earth

Explanation:

The weight of an object is minimum when it is placed at the center of the earth because when an object is in the center, it experiences gravitational pull from all directions.

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Q:

Which one of the following is not true about the powers of the Supreme Court?

A) The Supreme Court has original and exclusive jurisdiction in inter-governmental disputes.	B) B.The Supreme Court has advisory jurisdiction on a question of law or fact which may be referred to it by the President of India.
C) The Supreme Court has the power to review its own judgment or order.	D) The Supreme Court has the exclusive power to issue writs to protect the fundamental rights of the people.

Answer & Explanation Answer: D) The Supreme Court has the exclusive power to issue writs to protect the fundamental rights of the people.

Explanation:

The High Courts has similar power under the Article 226 of the Constitution. The high courts can also issue writs to protect the Fundamental Rights of the people.

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Filed Under: Indian Politics
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Q:

Generally covalently bonded molecules ______.

I. have high boiling and melting point as compare to ionically bonded molecules

II. poor conductors of electricity

III. have weak intermolecular force

A) Only I and II	B) Only I and III
C) Only II and III	D) All I, II and III

Answer & Explanation Answer: C) Only II and III

Explanation:

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Filed Under: Chemistry
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Q:

5F on H means

Answer

The given letter equation 5F on H means that 5 Fingers on a Hand.

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Subject: Logic Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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