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Q:

Who discovered X-Ray?

A) Wilhelm Rontgen B) William Lee
C) X Rollswick D) I Thompson
 
Answer & Explanation Answer: A) Wilhelm Rontgen

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Filed Under: Inventions
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Q:

Which one of the following statements is not correct?

A) The response of the ear to sound of increasing intensity is approximately logarithmic. B) The sensitivity of the human ear does not vary with the frequency of the sound.
C) When two or more waves traverse the same medium, the displacement of any element of the medium is the algebraic sum of the displacements due to each wave. D) Longitudinal waves can travel in all media-solids, liquids and gases.
 
Answer & Explanation Answer: B) The sensitivity of the human ear does not vary with the frequency of the sound.

Explanation:

The human ear can respond to minute pressure variations inthe air if they are in the audible frequency range, roughly 20 Hz -20 kHz. In fact, tests conducted show an increased sensitivity in the 3000 Hz range which is the optimal amplification frequency in the human ear. So, the sensitivity of the human ear varies with the frequency of the sound.

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Filed Under: Physics
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Q:

Which of the following is the most abundant metal on Earth's crust?

A) Magnesium B) Iron
C) Copper D) Aluminium
 
Answer & Explanation Answer: D) Aluminium

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Filed Under: General Science
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Q:

Which is a feature included in Microsoft PowerPointsoftware that allows the user to see all the slides in apresentation at one time?

A) Slide Sorter B) Slide Master
C) Handout Master D) Slide Header
 
Answer & Explanation Answer: A) Slide Sorter

Explanation:

Slide sorter view is a feature included in MicrosoftPowerPoint software that allows the user to see all theslides in a presentation at one time. The slides appearin the task pane as small graphics that are arranged inrows and columns.

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Filed Under: Computer
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Q:

Syntax Errors are determined by

A) Interpreter B) ALU
C) Logic Unit D) Control Unit
 
Answer & Explanation Answer: D) Control Unit

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Filed Under: Computer
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Q:

The tenure of the members of Lok Sabha is for how many years?

A) 11 B) 7
C) 6 D) 5
 
Answer & Explanation Answer: D) 5

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Filed Under: Indian Politics
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Q:

What is the full form of the Indian Political Party "NCP"?

A) Nationalist Congress Party B) National Congress Party
C) National Communist Party D) Nationalist Communist Party
 
Answer & Explanation Answer: A) Nationalist Congress Party

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Filed Under: Indian Politics
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Q:

 In August 2017, Indian Government has launched a portal to provide a platform to sell agricultural produce called ‘e-RAKAM’. What does ‘M’ stand for?

A) Market B) Mandi
C) Management D) Messaging
 
Answer & Explanation Answer: B) Mandi

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Filed Under: General Awareness
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