Which of the following statements is not correct regarding cathode rays?

Options

A. The rays carry negative charge
B. The charge/ mass of these rays is considerably smaller than for positive rays
C. The rays produce mechanical effect
D. The charge /mass ratio is independent of the nature of the gas taken in the discharge tube.

Answer

B

Explanation

The charge / mass ratio for cathode rays is larger than for the positive rays because cathode rays have small mas in comparison to positive rays while both have same charge.