Density & Pressure
1. This question has 3 part(s).
1.1. A student measures the diameter of a coin.
She uses the digital calliper shown in the photograph.
The digital calliper gives readings to the nearest 0.01 mm.
The student measures the diameter of the coin eight times.
Her readings are shown below.
(i) Circle the anomalous reading.
(ii) Calculate the average diameter of the coin.
average = ..................................... mm
1.2. The student wants to find the thickness of a coin.
She takes several similar coins and measures them together as shown.
She says:
Do you agree with the student?
Explain why.
1.3. The student wants to find the density of the coin.
She uses her values for the diameter and thickness of the coin to calculate its volume.
What else must she do to find the density of the coin?
Ai এর মাধ্যমে
১০ লক্ষ+ প্রশ্ন ডাটাবেজ
প্র্যাকটিস এর মাধ্যমে নিজেকে তৈরি করে ফেলো
উত্তর দিবে তোমার বই থেকে ও তোমার মত করে।
সারা দেশের শিক্ষার্থীদের মধ্যে নিজের অবস্থান যাচাই
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