Class 9 Physics Assignment Answer 2021 – ৯ম শ্রেণির পদার্থবিজ্ঞান অ্যাসাইনমেন্ট প্রশ্নের সমাধান

The 5th Week physics assignment syllabus has been published on 24th November 2021. So here we have the answer to the 5th Week physics assignment. Students who are looking for answers to class nine physics assignments can download your assignment answers from us if they want.

There are many of your students who are looking for answers to class nine physics assignments, this post is basically for them. So in this post, you can easily download the answers to your physics assignment in the form of pictures and PDF files. So now read our post carefully.

If you want to know all the details about assignments in Class Nine Physics, read our post very carefully from beginning to end. Because in this post we have discussed step by step the exact information about your physics assignment in a detailed form. So, if you read this post, you will know the correct information about your physics assignment.

Class 9 Physics Assignment Answer

No educational institution is holding annual exams this year due to the recent coronavirus. So considering every student, the Board of Secondary and Higher Secondary Education instructs the students to prepare assignments. And according to that instruction, from November 1, 2021, all the students of all the educational institutions across the country started the assignment preparation activities.

Since based on your assignment you will be passed to the next class. So we want to say that this assignment is very important for you. So each of you should make the class nine physics assignment very beautifully with utmost importance. So that you can pass the next class beautifully.

Are you looking for answers to class nine physics assignments? Then you are in the right place. Because from here you can easily download the answers to the physics assignment in the form of pictures and PDF files. So download your physics assignment answers now and start creating your assignments.

Class 9  Physics Assignment Answer – 18th Week

Since physics is a little difficult subject. So many of you can’t solve the answer to a physics assignment on your own. So many of you will be looking for answers to 5th Week class 9 physics assignments online.

Class 9 Physics Assignment

৯ম শ্রেণির পদার্থবিজ্ঞান অ্যাসাইনমেন্ট প্রশ্নের সমাধান

So for you, we have published the answer to the assignment in 5th Week class nine physics here. So download the questions and answers of 6th Week class nine physics assignment from below.

And let me tell you – it was a 100% correct answer. So you can complete your assignment by downloading the answer to your assignment from here.

নবম শ্রেণীর পদার্থবিজ্ঞান অ্যাসাইনমেন্ট

৩। 120°c তাপমাত্রার একখন্ড বস্তুর ভর 50gm। বস্তুটিকে একটি 50gm ভরের অ্যালুমিনিয়ামের ক্যালােরিমিটারে 20°c তাপমাত্রার 150gm পানিতে ছেড়ে দেয়ার পর মিশ্রণের তাপমাত্রা 30°c পাওয়া গেল। বস্তুটির আপেক্ষিক তাপ 1500Jkg–1 K–1 এবং অ্যালুমিনিয়ামের আপেক্ষিক তাপ 900Jkg–1 K–1।

1.  পদার্থ বিজ্ঞানের ক্রমবিকাশ কীভাবে ঘটেছে তা নিয়ে একটি প্রতিবেদন রচনা কর।

ক. তাপধারণ ক্ষমতা কাকে বলে?

খ. মাটির কলসিতে পানি ঠান্ডা থাকে কেন? ব্যাখ্যা কর।

গ. বস্তু কর্তৃক বর্জিত তাপ নির্ণয় কর।

ঘ. উপরােক্ত তথ্যগুলাে ক্যালরিমিতির মূলনীতিকে সমর্থন করে কিনা- গাণিতিকভাবে বিশ্লেষণ কর।

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