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Physics: Post your doubts here!

daredevil

daredevil

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asd said:
Waves with higher wavelength are diffracted more. In this case, red ki diffraction is higher. and therefore its going to be some angle above blue (considering the first order above 0th order in the diagram)
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elaborate karo gay plz
 
asd

asd

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daredevil said:
elaborate karo gay plz
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dekho, you know if we have a narrow slit, theres going to be more diffraction? thats the same if we keep the slit width the same but just increase the wavelength of the wave. So, the larger the ratio of wavelength to slit width is, the larger the diffraction. Here, red has larger wavelength, so its going to be diffracted more.
 
A

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asd said:
dekho, you know if we have a narrow slit, theres going to be more diffraction? thats the same if we keep the slit width the same but just increase the wavelength of the wave. So, the larger the ratio of wavelength to slit width is, the larger the diffraction. Here, red has larger wavelength, so its going to be diffracted more.
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try to make it less complicated in easy terms here :)
 
daredevil

daredevil

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asd said:
dekho, you know if we have a narrow slit, theres going to be more diffraction? thats the same if we keep the slit width the same but just increase the wavelength of the wave. So, the larger the ratio of wavelength to slit width is, the larger the diffraction. Here, red has larger wavelength, so its going to be diffracted more.
Click to expand...
ooh acha.... uff mera dimaagh!! -_- thanks again
 
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blueberryyums

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I need some advice please. I feel a mental breakdown coming up soon. My maths paper surprised me quite a lot yesterday and I am so nervous Physics would do the same and I wont get the grade I need. I am self taught so I have a lot of blank spaces here and there. I have done about 16 papers as of last month but didn't touch physics for about a week and a day to the exam, my mind is just blank! I wanted to do some past questions today, Should I stop with doing the past papers and just review the ones I have done tonight and hope nothing surprisingly hard comes out tomorrow? Please, I need advice.
 
TaffsAsLevel

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Hi guys, I just wanted to ask if this is true for two waves interfere, does minima means destructive interference and maxima meaning constructive?
 
asd

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blueberryyums said:
I need some advice please. I feel a mental breakdown coming up soon. My maths paper surprised me quite a lot yesterday and I am so nervous Physics would do the same and I wont get the grade I need. I am self taught so I have a lot of blank spaces here and there. I have done about 16 papers as of last month but didn't touch physics for about a week and a day to the exam, my mind is just blank! I wanted to do some past questions today, Should I stop with doing the past papers and just review the ones I have done tonight and hope nothing surprisingly hard comes out tomorrow? Please, I need advice.
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Well, past papers do help a lot. I guess just redo and DONT forget to read the book. Textbook is really helpful. Pastpapers alone do nothing.
 
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