Q:

What causes brownian motion in colloids?

A) coagulation of particles and the dispersed phase	B) erratic flashes of light
C) molecules of the dispersion medium colliding with dispersed phase particles	D) All the above

Answer & Explanation Answer: C) molecules of the dispersion medium colliding with dispersed phase particles

Explanation:

When their is a colloid in the solution, then it will show the Brownian movement, such as dust particle in the air will show the Brownian movement.

Hence, Brownian movement arises due to the impact of the molecules of the dispersion medium with the colloidal particles. It has been postulated that the impact of the molecules of dispersion medium on the colloidal particles are unequal.

This leads to the zig-zag (random) motion of the colloidal particles.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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6 6103

Q:

Select the antonym of

taciturn

A) reticent	B) curt
C) laconic	D) verbose

Answer & Explanation Answer: D) verbose

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 6101

Q:

How many wickets Kapil Dev had taken in test matches when he retired

A) 450	B) 430
C) 435	D) 434

Answer & Explanation Answer: D) 434

Explanation:

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Filed Under: Sports

5 6098

Q:

A CD-ROM disk _______

A) cannot be erased and rewritten	B) has more storage capacity than a CD-R
C) holds less data than a floppy disk	D) Can be written only once

Answer & Explanation Answer: A) cannot be erased and rewritten

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

6 6098

Q:

A method of providing virtual memory is called _____.

A) Fragmentation	B) Segmentation
C) De-fragmentation	D) Paging

Answer & Explanation Answer: B) Segmentation

Explanation:

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Filed Under: Computer
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18 6097

Q:

The Highest dam in india is the _________dam

A) Maithan	B) Bhakra
C) Hirakud	D) Machkund

Answer & Explanation Answer: B) Bhakra

Explanation:

The Bhakra dam is 226 metres high and is one of the highest dams in the world.

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Filed Under: Indian Geography

4 6096

Q:

In 1930, which leader started the Red Shirt Movement in the North West Frontier Province?

Answer

Khan Abdul Ghaffar Khan

Workspace

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Subject: General Awareness

21 6095

Q:

Match the following with the correct response.

(1) W	(A) Nm
(2) kW	(B) $3.6 x 10^{6} J$
(3) 1 kW-h	(C) 1000 W
(4) 1 HP	(D) 746 W

A) 1-D, 2-B, 3-C, 4-A	B) 1-A, 2-B, 3-C, 4-D
C) 1-A, 2-C, 3-D, 4-B	D) 1-A, 2-C, 3-B, 4-D

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