Question

Select the incorrect statement regarding cathode rays
1) These rays move from cathode to anode
2)These rays contains material particle having both mass and velocity
3)These rays cannot be observed with the help of fluorescent material
4)These rays produce X-rays when strike against the surface of hard metals like tungsten​

Answer 1

Answer:

4 is the incorrect statement. hey mate here's your answer .

Explanation:

please mark me as brainliest .

Answer 2

Answer:

option 3

Explanation:

Cathode rays are invisible, but their presence was first detected in early vacuum tubes when they struck the glass wall of the tube, exciting the atoms of the glass and causing them to emit light, a glow called fluorescence.