Which of the following statements is correct for cathode rays?
A. They are not deflected by electric and magnetic fields.
B. Cathode rays possess energy and momentum
C. When the cathode rays are allowed to fall on matter, they does not produce heat.
D. The speed of cathode rays is up to \(\left(\frac{1}{20}\right) \mathrm{th}\) of the speed of light
Answer:B
Which of the following statements is correct for cathode rays?
A. They are not deflected by electric and magnetic fields. B. Cathode rays possess energy and momentum C. When the cathode rays are allowed to fall on matter, they does not produce heat. D. The speed of cathode rays is up to \(\left(\frac{1}{20}\right) \mathrm{th}\) of the speed of light