State three properties of cathode rays. 12. State one application of total internal reflection.

Hapa kuna majibu ya maswali yako:

11. Sifa tatu za miale ya katodi (cathode rays):

• Zinasafiri katika mstari ulionyooka.
• Zina chaji hasi.
• Zinaweza kupotoshwa na uga wa umeme na uga wa sumaku.

12. Matumizi moja ya uakisi kamili wa ndani (total internal reflection):

• Nyuzi za macho (optical fibers) hutumia uakisi kamili wa ndani kusambaza data.