What is constructive interfernce?

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Why does a glass filled with water shatter when you run your finger along the rim of the glass?

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What is Concave lens ?

1 Answers  

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the force of attraction of earth on a man, who is inside the artificial satellite, is Zero state whether the above statement is correct, if not correct please give the correct answer

1 Answers  

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How we are getting light from electrical bulb?

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Is exothermic reaction useful in Lasing process? give reasion of ur answere?

2 Answers   DRDO,

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What makes the telegraph wires hum?

2 Answers  

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Why does fountain pen filler drew up ink ?

4 Answers  

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Describe the Infra-red and Ultra-voilet rays?

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i am a student of 10th class ,i like science and maths but i score bad in maths.wat shud i take in future...commerce or science?

3 Answers  

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Define Fixation of Nitrogen?

1 Answers  

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What is white body ?

1 Answers  

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