Atomic Physics

Positive rays are also called as

• Canal rays

• Velocity

• Both a and b

• None of the above

The mass of a positive ion is almost ‐------ as that of a neutral ion

• Same

• Different

• Both a and b

• None

Positive rays affect

• Photographic plate

• Glass rod

• Mirror

• None

Velocities of positive rays range from

• 10⁵ to 10⁶ m/s

• 10⁷ to 10⁸ m/s

• 10⁶ to 10⁹ m/s

• None

The influence of secondary rays makes analysis

• Difficult

• Same

• Both a and b

• None