আজকের টিপস: আইসোটোপ,আইসোবার,আইসোটোন

চাকরি পরীক্ষার লিখিত ও এমসিকিউ প্রস্তুতির জন্য ইশিখন.কম এ প্রতিটি বিষয়ের প্রতিটি অধ্যায়ের উপর রয়েছে শত শত লেকচার। যেটি থেকে প্রায় ৬০% থেকে ৯০% বিভিন্ন পরীক্ষায় কমন আসে।

আইসোটোপ,আইসোবার,আইসোটোন

১.যে সকল পরমানুর নিউটন সংখ্যা সমান কিন্তু প্রোটন সংখ্যা ও ভর সংখ্যা তাদের বলা হয়=আইসোটোন
২. যে সকল পরমানুর ভর সংখ্যা সমান কিন্তু প্রোটন সংখ্যা ভিন্ন=আইসোবার
৩. যে সকল পরমানুর প্রোটন সংখ্যা সমান কিন্তু ভর সংখ্যা ভিন্ন=আইসোটোপ

নিত্য পুরুষ বাচক শব্দঃ

( অকৃতদার যোদ্ধা দলপতি সেনাপতির কাছে কৃতদার হওয়ার প্রার্থনা না করে কবিরাজ ও ঢাকির পরামর্শে রাষ্ট্রপতি ও বিচারপতির দারস্থ হলো)

অকৃতদার
যোদ্ধা
দলপতি
সেনাপতি
কৃতদার
কবিরাজ
ঢাকি
রাষ্ট্রপতি
বিচারপতি

কোথায় কি নিষিদ্ধ

১.ধূমপান নিষিদ্ধ=ভূটানে
২. ইসলাম ধর্ম=এ্যাঙ্গোলায়
৩. মুসলিম ব্রাদারহুড=সৌদি আরবে
৪. ইউটিউব=তুরস্কে
৫. CNN=ভেনিজুয়েলায়
৬. হামাস =মিশরে
৭. ফেসবুক= চীনে
৮. মিছিল- সমাবেশ নিষিদ্ধ= তিব্বতে
৯. দালাই লামা=তিব্বতে
১০.বাংলাদেশি= ইসরাইলে

চলমান বিশ্ব, কারেন্ট আফেয়ার্স এর সকল আপডেট তথ্য পাবেন, আমাদের ব্লগে এবং আমাদের ফেসবুকে পেইজে facebook.com/eshikhon

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আজকের টিপস: আইসোটোপ,আইসোবার,আইসোটোন