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Electromagnetic radiations:
What are the common features among all the Electromagnetic radiations?
Ans: 1. They all can be described in terms of oscillating electric and magnetic fields perpendicular to each other.
2. They are transverse in nature.
3. All the radiations travel with the speed of light
Q. Why does a glass filled with water smash when you run your finger along the rim of the glass? Answer:- A portion of crystal stemware has a natural or resonant frequency
a rocket is projected upwards with a velocity of 490. find te time taken to reach the ground
CAN YOU GIVE SOME EXAMPLE OF FREE FALL ACTIVITIES
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Demonstrating the cause of difference in length of day and night in some places:- Use the similar apparatus as in 6 above. Mark a circle on the ball around its centre to show t
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what is the importance of laser?
The rate of flow of energy or particles across a given surface.
Particle function: Protons The number of protons in an atom determines the kind of material: Eg. Hydrogen 1 proton Helium 2 protons Lithium 3 protons B
what is the working of Nicol prism as polarize r and analyzer?
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