সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
Dry sand appears bright while wet sand appears dark because of--
Dry sand appears bright while wet sand appears dark because of--
- ক. optical illusion
- খ. diffraction
- গ. reflection
- ঘ. refraction
সঠিক উত্তরঃ reflection
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- With which device are earthquakes recorded?
- The shape of the earth is--
- Which of the following is the mde of propagation of heat from the sun to the earth?
- What is the correct increasing order of abundance of the main components of air?
- While functioning what is the temperature level inside a refrigerator?
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Basic Information of Daily Science, Inventions and...