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What is the full form of LED?

What is the full form of LED television and also AMOLED?
and which is better and why?

Asks Dipak Kumar

Answer: LED stands for Light Emitting Diode.

LED TVs are actually LED backlit LCD TVs.
Instead of fluorescent tubes, LEDs shine light from behind the screen, illuminating the pixels to create an image. Due to the small size and low power consumption of LEDs, LED-backlit TVs are far thinner than regular LCD sets and are also more energy efficient. They can also provide a (more…)

Have you downloaded the question bank cum study material for Class 12 Physics?

Have you downloaded the question bank cum study material for Class 12 Physics?

The following links will help you get all the necessary materials to get more than 60% marks in Physics.

Central Board of Secondary Education

Download it from here. 

  1. http://physics.2lv.in/class-12-physics-study-materials-free-download/
  2. http://www.plustwophysics.com/class-12-physics-sample-papers/
  3. http://physics.2lv.in/must-practice-questions-for-cbse-physics-class-12-solved/
  4. http://www.plustwophysics.com/important-five-marks-questions-for-class-xii/
  5. http://www.plustwophysics.com/collection-of-cbse-class-12-previous-question-papers/
  6. http://physics.2lv.in/class-12-physics-hots-question-bank-free-downlload/
  7. http://www.plustwophysics.com/class-xii-physics-sample-paper-for-aissce-2012-2/

Attn: Physics Teachers ! You are invited to disburse your lecture notes through askphysics.com – Free!!!

Many Physics Teachers want to provide online notes and other study materials for their students. But they do not find a suitable platform for it. Here we can help you. Just join the site and intimate us the username along with a request (use the ask a question link) to upgrade your account as contributor. We will upgrade your account as contributor and thereafter you will be able to post your study materials, question bank, previous question papers, lecture notes study tips etc as blogs. You can even upload the study materials (pdf, doc etc)and photographs.

English: A scematic representation of the targ...

Your contributions will be published only after review. Once published, you can give the links to students so that they can use the notes and other study materials.

Science study materials upto class 10 will also be accepted.

What’s the advantage?

Askphysics.com is a popular website for those who search for free help in Physics online. There are about 50000 visits to the site every month. So, your notes and other study Materials reach the public easily.

Be a popular Physics Teacher! Start publishing now!!

Class VI Science Question Bank

FOOD: Where does it come from.
1. You are the manager of a restaurant, make a list of food items you would serve in lunch.
2. What measures are to be taken to avoid wastage of food.
3. Why are humans considered omnivores?
4. List the ingredients of any five food items you relish.
5. Form pairs of words in group A with words in group B.
A—Mustard plant, Nectar, Beetroot, carnivore, omnivore.
B– Honey, sugar, oil, humans, tiger.
6. Name two aquatic plants eaten as food.
1. Why is it necessary to have fresh and un-cooked vegetables and fruits in our diets.
2. Doctors advice us to drink atleast two litres of water daily why?
3. What happens (more…)

Can the process of Pair Production be used as a source for energy generation in space?

Can the process of Pair Production

Creation of an electron and a positron by Pair...
Creation of an electron and a positron by Pair production. (Photo credit: Wikipedia)

be used as a source for energy generation in space?  Can Gamma Rays in space become the source for generating  energy using Pair Production process?  EM radiation >1.02 MeV enery, Pair Production is the dominant absorption process.

(Posted By Chintan Shah)

Have an answer? Post as comment now!

Download Sample Papers for Class X and XII

Class 10 Sample Papers

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Class 12

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How does the atmosphere rotate with the Earth?

Earth and atmosphere cutaway illustration
Earth and atmosphere cutaway illustration (Photo credit: Wikipedia)

How does the atmosphere rotate with the Earth? (Asked George)

The following link will help you find the answer.

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