What are the characteristics of black body? : quantum physics
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What is audio frequency?
Give one advantage of a scanning electron microscope over a transmission electron microscope?
Explain what does hull speed mean?
Consider earth's equator is covered with a measuring tape touching the ground such both the ends touch each other. if the tape is lifted 1 meter from the ground, what would be the distance between two ends of tape?
What is Electromagnet?
What would happen if a disk one light second in circumference were to spin at 60 rpm?
What is Real image ?
What is Virtual image ?
When we press our hand on a table downwards, why we do feel the table pressing id greater.
Explain the three particles that make up an atom?
what is the principle used in electromagnetic spectrum?and why there is a necessary of having an electron with unpaired spins?and how the uncertainity principle is used to determine the frequency of an spectral lines ?
Explain why does sun appear flat during sunrise and sunset?