সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
The atom is made of---
The atom is made of---
- ক. Protons and Quarks
- খ. Neutrons, Gamma Rays and Positrons
- গ. Protons, Neutrons and Electrons
- ঘ. Positrons, Neutrons and Electrons
সঠিক উত্তরঃ Positrons, Neutrons and Electrons
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- Which of the following soils is very hard to cultivate?
- Who invented the miner's safety-lamp?
- The hardness of the bone tissue is due to the phosphates and carbonates of which of the following pairs of elements?
- The shortest day is in the month of--
- How many Dynes are there in one gram weight?
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Basic Information of Daily Science, Inventions and...