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WorksheetsMagic In The Air
Total questions: 6
Worksheet time: 6mins
Which the materials that can block the radio waves ?
Bahan manakah yang boleh menyekat gelombang radio ?
Glass
Gelas
Wood
Kayu
Aluminium
Aluminium
Plastic
Plastik
What is the range of radio waves frequency ?
Berapakah julat frekuensi bagi gelombang radio ?
3 Hz - 300 kHz
3 kHz - 300 MHz
3 kHz - 300 GHz
3 kHz - 300 kHz
What are the devices that used radio waves as a source ?
Apakah peranti yang menggunakan gelombang radio sebagai sumber ?
Radio
Radio
Television
Televisyen
Remote control
Alat kawalan jauh
All of the above
Semua di atas
Who was the first person produced the radio waves ?
Siapakah orang pertama yang menghasilkan gelombang radio ?
Clerk Maxwell
Heinrich Hertz
Albert Einstein
How many bands of radio waves ?
Berapakah kumpulan bagi gelombang radio ?
3
6
9
12
What is the SI unit of radio waves ?
Apakah unit SI bagi gelombang radio ?
Hertz (Hz)
Joule (J)
Kelvin (K)
Ampere (A)
