Question

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n. How
The average rainfall for the year, excluding July, was 4.0 cm
heavy rainfall on July the average for the year rose to 5.0 cm. Hoy
rainfall was there on July ?
(Meerut, B.Com., 1989, Delhi​

Answer 1

Answer:

These rays are beams of particles moving in a direction opposite to the "cathode rays," which are streams of electrons which move toward the anode. Goldstein called these positive rays Kanalstrahlen, "channel rays" or "canal rays", because they were produced by the holes or channels in the cathode