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LCD & Doppler effect

Panchami asked:

  1. what is liquid crystal display
  2. What is Doppler Effect ? ? ?

Ans:

LCD stands for Liquid Crystal Display. It works on the principles of polarization. By the selective alignment of liquid crystals light is blocked or allowed making the display transparent.

Origin of Universe

Aishwarya asked:

I AM INTERESTED TO LEARN MORE ABOUT ORGIN OF UNIVERSE,TIME TRAVELLING&AND ALSO TO FIND AN ANSWER TO THE UNIFICATION QUEST…….

How does light travel?

Akashjot Kaur asks

“how a wave travels ? eg. light has dual nature ,since  light consists of particles ,and in the wave character we say it moves in the form of electric & magnetic perpendicular wave.how is it possible? it travels in the form of waves or particles?”

Answer to be posted soon

Photos from KVS Regional Science Exhibition (Chennai) 2010

The KVS Regional Science Exhibition 2010 (Chennai Region) was conducted at KV Pattom on 1 & 2 Sep 2010

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