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Biology; Chemistry; Physics: Post your doubts here!

A

***amd***

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funky brat said:
No, no that's not the reason. But they do have different expansion. I gave you the reason heating wali. :|
Click to expand...
in class 8, i studies the expansion of solids. and there was an experiment about expansion of a metal rod. it was as noticeable as the expansion of water in thin tube (in another experiment).
I answered that Q on the basis of it :/
 
Faizan Muhammmad

Faizan Muhammmad

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-________________-
3 bajay tak yahan baithay rahtay ho, paper kia khak daina hai tum logon nay?
Isee waja say bongian mar atay ho paper main :p
So bhee jaya kro :p
 
Bhaijan

Bhaijan

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This is a very important question of Chemistry 5070_w13qp_11 question 14.
Why does the acid become more concentrated as dilute H2SO4 is being electrolysed?
The answer is A
upload_2014-5-20_6-53-16.png
 

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M.Omar

M.Omar

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asadalam said:
how?It said after the light leaves the lens?Before f they will converge and the beam would get smaller,while after 2f beams would return to original width and then get wider
Click to expand...
what,s there to explain...his values are in accord with wht u have stated..3.5 and 6.which r correct
 
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