Electric field due to an infinite sheet of charge having surface charge density&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>σ</mi></math>&nbsp; is E. Electric field due to an infinite conducting sheet of same surface density of charge is

<math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn><msub><mi>Cu</mi><mn>2</mn></msub><msub><mi mathvariant="normal">O</mi><mrow><mo>(</mo><mi mathvariant="normal">s</mi><mo>)</mo></mrow></msub><mo>+</mo><msub><mi>Cu</mi><mn>2</mn></msub><msub><mrow><mo>&nbsp;</mo><mi mathvariant="normal">S</mi></mrow><mrow><mo>(</mo><mi mathvariant="normal">s</mi><mo>)</mo></mrow></msub><mo>→</mo><mn>6</mn><msub><mi>Cu</mi><mrow><mo>(</mo><mi mathvariant="normal">s</mi><mo>)</mo></mrow></msub><mo>+</mo><msub><mi>SO</mi><mrow><mn>2</mn><mo>(</mo><mo>&nbsp;</mo><mi mathvariant="normal">g</mi><mo>)</mo></mrow></msub></math>&nbsp;the oxidant and reductant respectively in the above reaction are

Three point charges are placed at the corners of an equilateral triangle. Assuming only electrostatic forces are acting.

Two point charges placed at a distance r in air experience a certain force. Then the distance at which they will experience the same force in a medium of dielectric constant K is

<math xmlns="http://www.w3.org/1998/Math/MathML"><mi mathvariant="normal">i</mi><mo>)</mo><mo>&nbsp;</mo><msub><mi>FeS</mi><mn>2</mn></msub><mo>+</mo><msub><mi mathvariant="normal">O</mi><mn>2</mn></msub><mover><mo>→</mo><mrow><mo>&nbsp;</mo><mi>combustion</mi></mrow></mover><msub><mi>Fe</mi><mn>2</mn></msub><msub><mi mathvariant="normal">O</mi><mn>3</mn></msub><mo>+</mo><mi mathvariant="normal">X</mi><mspace linebreak="newline">&nbsp;</mspace><mi>ii</mi><mo>)</mo><mo>&nbsp;</mo><mi mathvariant="normal">X</mi><mo>+</mo><msub><mi>Cl</mi><mn>2</mn></msub><mover><mo>→</mo><mi>charcoal</mi></mover><mi mathvariant="normal">Y</mi><mspace linebreak="newline">&nbsp;</mspace><mi>iii</mi><mo>)</mo><mo>&nbsp;</mo><msub><mi mathvariant="normal">P</mi><mn>4</mn></msub><mo>+</mo><mi mathvariant="normal">Y</mi><mo stretchy="false">→</mo><mi mathvariant="normal">Z</mi><mo>+</mo><mi mathvariant="normal">X</mi></math> Wrong statement is

Electric field due to an infinite sheet of charge having surface charge density $σ$ is E. Electric field due to an infinite conducting sheet of same surface density of charge is

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Electric field due to an infinite sheet of charge having surface charge density σ is E. Electric field due to an infinite conducting sheet of same surface density of charge is

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Electric field due to an infinite sheet of charge having surface charge density $σ$ is E. Electric field due to an infinite conducting sheet of same surface density of charge is