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Biology; Chemistry; Physics: Post your doubts here!

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bunsen.JPG
can please anyone explain why the length of the conductor affects the emf induced? the answer is B, so waiting for the correct reasoning!
 
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When light is travelling from deeper to shallower what happen to wave lenght and speed .......
And if a ray of light is travelling from glass(more dense) to air (less dense) ,than what will happen to wavelength and speed....
Need help plz....
 
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When light is travelling from deeper to shallower what happen to wave lenght and speed .......
And if a ray of light is travelling from glass(more dense) to air (less dense) ,than what will happen to wavelength and speed....
Need help plz....
If it travel deep to shallo thw wavelength and speed both decrease !
For the glass one speed will increase when going into air !!
 
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Guys need help.... I have only done mcq's from past papers and now i even don't have time to do theory ... Alhamdulillah my concept are clear but tell me or give any suggestion what to do to prepare theory........(PHYSICS) ;)
 
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Guys need help.... I have only done mcq's from past papers and now i even don't have time to do theory ... Alhamdulillah my concept are clear but tell me or give any suggestion what to do to prepare theory........(PHYSICS) ;)
Roughly go through the book or notes :/
 
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