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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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Filed Under: Physics
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Q:

Which state declared best state for active participation in Swasth Bharat Yatra?

A) Karnataka B) Telangana
C) Tamilnadu D) Uttar Pradesh
 
Answer & Explanation Answer: C) Tamilnadu

Explanation:

Best state for active participation in Swasth Bharat Yatra is Tamilnadu.

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Filed Under: General Awareness
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Q:

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Vagrant

A) Idle B) Roving
C) Settled D) Wanderer
 
Answer & Explanation Answer: C) Settled

Explanation:
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Filed Under: English
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Q:

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

To pull a long face

A) Looked happily B)  Looked surprised
C)  Looked sad D)  Looked calm
 
Answer & Explanation Answer: C)  Looked sad

Explanation:
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Filed Under: English
Exam Prep: TOEFL , GRE , CAT

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Q:

Which of the following information is definitely true with respect to given information?

A) L is an immediate neighbour of N B) K sits second to the right of O
C) L likes Pink Colour D) J likes Brown Colour
 
Answer & Explanation Answer: D) J likes Brown Colour

Explanation:

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Filed Under: English
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Q:

Red Coral Kukri, sometimes seen in news, is related to which class of reptiles?

A) Snakes B) Turtles
C) Crocodiles D) Lizards
 
Answer & Explanation Answer: A) Snakes

Explanation:
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Filed Under: Animals and Birds
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Q:

What is fragmentation?

Answer

Fragmentation occurs in a dynamic memory allocation system when many of the free blocks are too small to satisfy any request.

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Subject: Operating Systems

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Q:

Which country bagged Award of Excellence for 'Best in Show' at New York Times Travel Show 2019 ?

A) China B) England
C) India D) Japan
 
Answer & Explanation Answer: C) India

Explanation:
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