Q:

Formation of shadows can be explained by

A) rectilinear propagation of light	B) reflection
C) refraction	D) total internal reflection

Answer & Explanation Answer: A) rectilinear propagation of light

Explanation:

In this position, the head light will be at the principal focus so that the rays of light falling on the cancave mirror will be rendered parallel

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Filed Under: Physics

63 9004

Q:

What will come in place of question mark (?) in the following question?

$\frac{3}{4} of \frac{3}{5} of \frac{2}{3} of ? = 3174$

A) 10550	B) 10540
C) 10580	D) 10500

Answer & Explanation Answer: C) 10580

Explanation:

$\frac{2}{3} x \frac{3}{5} x \frac{3}{4} x ? = 3174 3174 x 10 / 3 = 10580$

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

0 9000

Q:

Nature of unemployment in agriculture in India is

A) Seasonal	B) Disguised
C) both ' a ' and ' b '	D) None of these

Answer & Explanation Answer: C) both ' a ' and ' b '

Explanation:

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Filed Under: Indian Economy

9 8997

Q:

The outer electron configuration of Gd (Atomic No : 64) is

1. $4 f^{7} 5 d^{1} 6 s^{2}$

2. $4 f^{3} 5 d^{5} 6 s^{2}$

3. $4 f^{8} 5 d^{0} 6 s^{2}$

4. $4 f^{4} 5 d^{4} 6 s^{2}$

Answer

Answer : 1

Sol :

1. $4 f^{7} 5 d^{1} 6 s^{2}$

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Subject: Chemistry Exam Prep: AIEEE

19 8996

Q:

Which of the following is not a compound?

A) Brass	B) Quick lime
C) Marble	D) Soda ash

Answer & Explanation Answer: A) Brass

Explanation:

Among the given options Brass is not a compound. Since it is an alloy, it is a mixture. It is a mixture of copper and zinc.

Which_of_the_following_is_not_a_compound1558074260.jpg image

The smallest part of a compound is called a molecule. It has a unique composition that is always the same.

Compound is a substance that consists of two or more elements.

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Filed Under: Chemistry
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

12 8992

Q:

What does cyclical unemployment mean?

A) Unemployment during recessionary phase of trade cycle	B) Disguised unemployment
C) Seasonal unemployment	D) Voluntary unemployment

Answer & Explanation Answer: A) Unemployment during recessionary phase of trade cycle

Explanation:

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Filed Under: Indian Economy
Exam Prep: Bank Exams

1 8992

Q:

Which of the following carbon compounds is used as a fire- extinguisher?

A) Carbon disulphide	B) Chloroform
C) Carbon tetrachloride	D) Methyl ene chloride

Answer & Explanation Answer: C) Carbon tetrachloride

Explanation:

Vapour of carbon tetra chloride $(c c l_{4})$ is non-inflammable and is heavier than air. Hence it is used as a fire extinguisher under the trade name of pyrene.

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Filed Under: Chemistry

16 8991

Q:

The leading state in producing paper is

A) Kerala	B) Odisha
C) Bihar	D) West Bengal

Answer & Explanation Answer: D) West Bengal

Explanation:

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Filed Under: Indian Geography
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

20 8989

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