
chemistry 2.1
Authored by MAHIR FAISAL IFTY
Chemistry
11th Grade

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ইলেকট্রনের ভরবেগ ও তরঙ্গদীর্ঘের মধ্যে সম্পর্ক কি?
সমানুপাতিক
বেস্তানুপাতিক
বর্গের সমানুপাতিক
বর্গের বেস্তানুপাতিক
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
নিচের quantum number এর সেট গুলোর মধ্যে কোনটি সম্ভব?
১,০,১,-১/২
২,২,১,০
২,১,০,-১/২
২,১,-২,১/২
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
95
97
156
275
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
স্পিন quantum number -
১) ইলেকট্রনের ঘূর্ণন প্রকাশক
২) l এর মান এর উপর নির্ভরশীল
৩) s= +- 1/2
1,2
2,3
1,3
1,2,3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
নিচের কোনটি প্লাঙ্কের সমীকরণ-
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
নীল রঙের তরঙ্গ দৈর্ঘ্য কত nm ?
৩৮০-৪২৪
৪২৪-৪৫০
৪৫০-৫০০
৬৪৭-৭৮০
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
একটি 4s ইলেকট্রনের n, l , m এর মান -
4,0,0
4,1,0
4,0,1
0,3,1
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