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'a' चौड़ाई वाली एक दरार को सफेद प्रकाश से प्रकाशित किया जाता है। 'a' के किस मान के लिए तरंगदैध्र्य 650 nm के लाल प्रकाश हेतु प्रथम न्यूनतम 15पर होगा? (दिया है sin 150.2588) The crack of width 'a' is illuminated by light, then find the value of 'a' for which wave length of 650 nm of red light has first minimum at 15? (Given sin150.2588)

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'a' चौड़ाई वाली एक दरार को सफेद प्रकाश से प्रकाशित किया जाता है। 'a' के किस मान के लिए तरंगदैध्र्य 650 nm के लाल प्रकाश हेतु प्रथम न्यूनतम 15पर होगा? (दिया है sin 150.2588) The crack of width 'a' is illuminated by light, then find the value of 'a' for which wave length of 650 nm of red light has first minimum at 15? (Given sin150.2588)






 
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