Explain what is the rectilinear propagation of light?
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What is radium used for?
At what temperature does the filament of electric bulb glows ?
Explain about Gases ?
What are the three particles that make up an atom?
What is Soldering ?
Explain the universal law of universal gravitation?
What is the universal law of universal gravitation?
What is Kinetic Energy ?
Explain what is neutral buoyancy?
When the sound intensity is above 120 decibel, what happen to human ears?
explain Tides
In which medium the velocity of sound is large?