সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
Which of the following is the working principle of a washing machine?
Which of the following is the working principle of a washing machine?
- ক. reverse osmosis
- খ. diffusion
- গ. centrifugation
- ঘ. dialysis
সঠিক উত্তরঃ centrifugation
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- One liter of water is equivalent to how many kilograms?
- Every atom of Carbon di-oxide contains -- Oxygen and --- Carbon.
- Study of earthquakes is known as--
- Albert Eainstein was born in which country?
- A Biologist specializing in the study of insects is called---
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Basic Information of Daily Science, Inventions and...