Explain what is photometry?
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What is the force needed to accelerate a mass of one kilogram one meter per second per second?
How is the bullet in a man?s body located ?
What is Mechanical mixture ?
What is speed of sound at sea level?
What is the heterogenous?
Explain how is nuclear fission different from nuclear fusion?
what is meant patch cards..
This person established the one fluid theory of electricity and performed some of the first investigations into electrical grounding and insulation:
Explain the Fluorescence ?
why ac is attractive and dc is repulsive?
What is the term for the speed at which an object will overcome the gravitational attraction of the earth?
If a body is hung from a spring balance first at the poles and then at the Equator, why do the readings of the balance change ?