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Q:

The apparent weight of a person in a lift which is moving down with uniform acceleration is _______.

A) greater than the weight when the person is stationary B) twice the weight when the person is stationary
C) less than the weight when the person is stationary D) same as the weight when the person is stationary
 
Answer & Explanation Answer: C) less than the weight when the person is stationary

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Filed Under: Physics
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Q:

The attenuation in optical fibre is mainly due to

A) Scattering B) Absorption
C) Both (a) and (b) D) Neither absorption nor scattering
 
Answer & Explanation Answer: A) Scattering

Explanation:

The reason for transmitting data over optical fibers, is because the speed of data transmission through optical wires are equal to the speed of light. The intense speed of data transfer speed, has lead to the use of optical fibers. The optical fiber uses the technology of transferring light beams, from one end to the other end of optical cables. The attenuation in optical fiber is due to Scattering. The reason why scattering is caused, due to the folding, in the wire.

 

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Q:

Which among the following is the major cause of acid rain?

A) Carbon dioxide B) Carbon monoxide
C) Nitrogen dioxide D) Oxygen
 
Answer & Explanation Answer: C) Nitrogen dioxide

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Q:

Recently, scientists have found second Great Spot 24000 km across and 12000 km wide on which planet?

A) Saturn B) Mars
C) Jupiter D) Mercury
 
Answer & Explanation Answer: C) Jupiter

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Q:

Who discovered Pluto?

A) Jim Maxwell B) Tim Heynman
C) Myne Ketteborough D) Clyde Tombaugh
 
Answer & Explanation Answer: D) Clyde Tombaugh

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Q:

Multitasking system specifically refers to

A) More than one user B) More than one process
C) More than one hardware D) More than one IP address
 
Answer & Explanation Answer: B) More than one process

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Filed Under: Computer
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Q:

You can group noncontiguous worksheets with

A) The alt+enter key B) The group button on the standard toolbar
C) The ctrl key and mouse D) The shift key and the mouse
 
Answer & Explanation Answer: C) The ctrl key and mouse

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Q:

Which of the following committees has been constituted by Insurance Regulatory and Development Authority (IRDAI) to review regulations governing the Insurance Marketing Firms (IMF)?

A) Balwant Rai Mehta Committee B) Veerappa Moily Committee
C) Ashok Chavan Committee D) Sachar Committee
 
Answer & Explanation Answer: D) Sachar Committee

Explanation:

The Insurance Regulatory and Development Authority (IRDAI) has set up a 10-member committee headed by Suresh Mathur (ED-IMF, IRDAI) to review norms related to Insurance
Marketing Firms (IMF) with an aim to increase insurance penetration in the country.

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Filed Under: General Awareness
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