Questions

Q:

What happens to demand when price increases?

A) increases B) decreases
C) remains same D) Can't be determined
 
Answer & Explanation Answer: B) decreases

Explanation:

The Law of Demand tells that, if the price of a product increases then the demand will go down i.e, decreases iff all other things equal.

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Zip your lip

A) Keep quiet about something. B) To talk fast.
C) To not think before speaking. D) The silence before a storm
 
Answer & Explanation Answer: A) Keep quiet about something.

Explanation:
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Q:

Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.

A) Desorientation B) Disorientetion
C) Dysorientation D) Disorientation
 
Answer & Explanation Answer: D) Disorientation

Explanation:
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Q:

Which one of the following processes is responsible for the glittering of air bubble rising through water?

A) Reflection of light B) Refraction of light
C) Total internal reflection of light D) Scattering of light
 
Answer & Explanation Answer: C) Total internal reflection of light

Explanation:
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Q:

If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths?

A) lUV < lIR < lVIS B) lUV > lVIS > lIR
C) lUV > lIR > lVIS D) lUV < lVIS < lIR
 
Answer & Explanation Answer: D) lUV < lVIS < lIR

Explanation:

Infrared radiation, what we experience as heat when we hold our hand near a warm object, is somewhat longer wavelengths than visible light. Visible light is simply electromagnetic radiation in a range of wavelengths that our eyes are sensitive to. Visible wavelengths range from 0.0007 milimeters for red light, through orange, yellow, green, and blue, to 0.0004 milimeters for violet light. Ultraviolet is shorter wavelengths than violet.

Longer the wavelength,lower the energy

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Q:

Who is the author of the book "Kargil: Untold stories from the War"?

A) Roshan Rai B) Rachna Bisht Rawat
C) Anandi Ben D) None of the above
 
Answer & Explanation Answer: B) Rachna Bisht Rawat

Explanation:

Rachna Bisht Rawat is the author of the book "Kargil: Untold stories from the War".

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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

The ability to make good judgements and take quick decisions

 

A) Puerility B) Acumen
C) Stupor D) Sanity
 
Answer & Explanation Answer: B) Acumen

Explanation:
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Q:

When an unbalanced force acts on an object

A) causes change in motion of the object B) the speed & direction of the object will change
C) causes the object to move D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Unbalanced forces are the forces which causes change in motion of the object. It sets the object in motion and may cause the object to move. If the object is already in motion, it changes the speed and direction of the object.

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