1) as the broadcaster speakers the sound wave being produced by a) microphone b) modulator c) antenna d) demodulator 2) treating cancer a) infrared ray b) microwave c) radiowaves d) gamma ray 3) sterilization of water drinking fountains a) ultraviolet b) radiowave c) visible light d) x-ray 4) using optic fibers in wrings a) radio wave b) x ray c) visible light d) micromave 5) diagnosis of bone structure a) visible light b) microwave c) x ray d) radiowave 6) showed experimental evidence of electromagnetic waves and their link to light a) michael faraday b) hans christian c) james clark d) heinrich hertz 7) maxwell further though of this form of energy as a wave which he called a) radio waves b) microwaves c) electromagnetic spectrum d) electromagnetic wave 8) waves that lie in the region beyond the red end of visible spectrum a) microwaves b) infrared waves c) radio waves d) tv waves 9) what is an example of radio waves a) listening to your fav radio station b) diagnosis of bone structure c) camera auto focusing d) treating cancer 10) chatting in messenger  a) radio wave b) microwave c) gamma ray d) infrared ray

science<3

โดย
สั่งพิมพ์
ฝัง

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

คืนค่าการบันทึกอัตโนมัติ: ใช่ไหม