JFPH02_PHY - Live Session Activity by Usic https://padlet.com/usictech/nfnyn6g8aptgzvf4 en-us 2022-02-11 08:59:09 UTC 2025-04-24 12:04:39 UTC hello@padlet.com https://images.unsplash.com/photo-1589149098258-3e9102cd63d3?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjc4MjZ9 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2042090148 2022-02-11 10:03:03 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2042090148 kliao31 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2042097552 a) K=R/NA
b (i) 1.7X10^-2
   (ii) 1.0X10^22
(iii)3X10^-24]]> 2022-02-11 10:08:25 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2042097552 kbaatarsuren1 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2042100915 2)a)K=R/Na
b)i)PV=nRT
P=1.7mPa
R=8.31JK^-1mol^-1
T=20C=293K
V=25cm^3
n=PV/RT
n=1700000*2.5*10^-5/8.31*293
n=0.017mol
ii)Na=6.02*10^23
0.017*6.02*10^23=1.1*10^22
iii)Na=6.02*10^23
m=2g
2/6.02*10^23=3.3*10^-24

]]> 2022-02-11 10:11:10 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2042100915 phou4 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2042101169 2022-02-11 10:11:21 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2042101169 Yufan Liu yliu520 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2042106406 2022-02-11 10:15:24 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2042106406 a) reflection / wave in similar amplitude / similar frequency / reflected wave loss few energy in the wall (khairiah) kalnajjar1 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2066119874 2022-02-25 09:53:37 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2066119874 kbaatarsuren1 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2066125356 a) waves have same amplitude and frequency, two waves travelling in opposite direction.
b)perpendicular to rest position of the string.
c)B is smaller than A
d)lambda=1.2m
c=6.2ms
c=f*lambda
f=6.2/1.2=5.16=5.2Hz

]]> 2022-02-25 09:58:16 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2066125356 Elodie https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2066128797 2022-02-25 10:01:25 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2066128797 kliao31 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2066135168 2022-02-25 10:06:52 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2066135168 phou4 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2066142788 2022-02-25 10:13:51 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2066142788 Abdalla alzaabi aaalzaabi3 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2066202740 a) waves have same amplitude and frequency, two waves travelling in opposite direction.
b)perpendicular to rest position of the string.
c)B is smaller than A
d)lambda=1.2m
c=6.2ms
c=f*lambda
f=6.2/1.2=5.16=5.2Hz

]]> 2022-02-25 11:12:33 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2066202740 ElodieLin22 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077649121 2022-03-04 09:53:55 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077649121 Mohamed Alaa eddine mohamedalaaeddinebouras https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077650383 2022-03-04 09:54:53 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077650383 kbaatarsuren1 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077650431 2022-03-04 09:54:57 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077650431 yacine https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077651193 2022-03-04 09:55:29 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077651193 phou4 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077651922 2022-03-04 09:56:06 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077651922 Yufan Liu yliu520 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077654202 2022-03-04 09:58:02 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077654202 Hamad Al Ali https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077654211 2022-03-04 09:58:02 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077654211 kliao31 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077654415 2022-03-04 09:58:13 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077654415 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077657195 2022-03-04 10:00:26 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077657195 Hazaa https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077658489 2022-03-04 10:01:38 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077658489 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077658640 2022-03-04 10:01:47 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077658640 Tao Huang tguang1 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077659324 2022-03-04 10:02:21 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077659324 Abdalla alzaabi https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077659879 2022-03-04 10:02:53 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077659879 Ahmad Alhajri aalhajri21 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077660761 2022-03-04 10:03:36 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077660761 Khalifa https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077662642 2022-03-04 10:05:29 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077662642 zmalharbi1 https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077662948 Diffraction: the spreading of waves when they pass through a gap. 

2: when the gap is bigger than the visible lights wavelength, it will pass through without spreading. (no diffraction)

]]> 2022-03-04 10:05:45 UTC https://padlet.com/usictech/nfnyn6g8aptgzvf4/wish/2077662948