সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
Which one of the completed the 100th anniversary of its discovery in 1995?
Which one of the completed the 100th anniversary of its discovery in 1995?
- ক. X-rays
- খ. diesel engine
- গ. detergents
- ঘ. photography
সঠিক উত্তরঃ X-rays
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- "To every action there is an equal and oposite reaction"-- this theory has been given by--
- What does Angstrom measure?
- What is the name given to molten rocks that are erupted by a volcano?
- Which is not a renewable resource of energy?
- Removal of the top layer of soil/rocks by wind, water is known as--
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Basic Information of Daily Science, Inventions and...