Cathode rays have both mass and charge. So, the correct answer is D.

Here's why:

Cathode rays are streams of electrons emitted from the cathode in a discharge tube during its operation. Electrons, which constitute the cathode rays, possess both mass and charge. The mass of an electron is approximately 9.10938356 × 10^-31 kilograms and it carries a negative charge of 1.602176634 × 10^-19 coulombs. Therefore, cathode rays, being composed of electrons, inherently possess both mass and charge.

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Cathode rays have both mass and charge. So, the correct answer is D.

Here's why:

Cathode rays are streams of electrons emitted from the cathode in a discharge tube during its operation. Electrons, which constitute the cathode rays, possess both mass and charge. The mass of an electron is approximately 9.10938356 × 10^-31 kilograms and it carries a negative charge of 1.602176634 × 10^-19 coulombs. Therefore, cathode rays, being composed of electrons, inherently possess both mass and charge.

Knowee AI · Accepted Answer

Cathode rays have both mass and charge. So, the correct answer is D.

Here's why:

Cathode rays are streams of electrons emitted from the cathode in a discharge tube during its operation. Electrons, which constitute the cathode rays, possess both mass and charge. The mass of an electron is approximately 9.10938356 × 10^-31 kilograms and it carries a negative charge of 1.602176634 × 10^-19 coulombs. Therefore, cathode rays, being composed of electrons, inherently possess both mass and charge.

Cathode rays haveA only mass. B only charge. C neither mass nor charge. D both mass and charge.

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