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Biology; Chemistry; Physics: Post your doubts here!

anytym... :) now in Q 4 part c .. u have to find the total kWh of all appliance (1*2 + 2*0.1+ 0.6*1.5 + 3*0.4 + 1.5*2 = 7.3 kWh ) now add this to previous reading (6350.5 + 7.3 = 6357.8 kWh) which is the reading at end of day ...... :)
- Ahmad Faizan
- Post #7,759
- Oct 10, 2012
- Forum: O-Levels / GCSEs / IGCSE
A
Biology; Chemistry; Physics: Post your doubts here!

V = Frequency * wavelength .. as speed of electromagnet wave is same so is frequency inversely proportional to wavelength ... so longer wavelength means lower frequency ........ i hope this helped ... :D
- Ahmad Faizan
- Post #7,756
- Oct 10, 2012
- Forum: O-Levels / GCSEs / IGCSE
A
Biology; Chemistry; Physics: Post your doubts here!

http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20O%20Level/Physics%20(5054)/5054_w11_qp_21.pdf can you plz look into question 11 part b (2) and part c .. the question is wrong or the answer in marking scheme is wrong ...
- Ahmad Faizan
- Post #7,755
- Oct 10, 2012
- Forum: O-Levels / GCSEs / IGCSE

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