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A high voltage applied to a gas discharge tube having neon gas at very low pressure causes a current to flow through the tube.
Which particles that flow towards the cathode?
a) Electrons
b) Protons
c) Negatively charged neon ions
d) Positively charged neon ions
Ans - Positively charged neon ion
Q. State Moseley's law. The frequency of the spectral line in the qualities X-ray spectrum is directly proportional to the square of the atomic number (Z) of the element consid
Briefly explain with principle, the construction and working of Nicol prism. Why the angle of incidence on Nicol prism would be around 14 o .
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A device which changes light energy into electrical energy is known as photoelectric cell. It is also known as photocell or electric eye.
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What is Rdiography.
A 1.6 kg man swings from a 2 meter rope at an angle of 45 degrees after swinging 20 degrees past the center point, the rope is cut by a razor. The man goes flying through the air
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