Can we visually see an atom?

Bolehkah kita melihat zarah?

• YES, we able to see it

• NO, atoms are extremely small

• YES, using light microscope

Choose below which are related to the natural frequency.

Pilih dibawah apakah yang berkait dengan frekuensi semulajadi.

• Size of an object

• The shape of an object

• Color of an object

• All above

Which one below are not include in analog signal?

Yang manakah dibawah tidak temasuk dalam analog signal?

• Temperature sensor

• Speaker

• Switch

• Ultrasonic sensor

What value that cannot be controlled by potentiometer?

Nilai apakah yang tidak boleh dikawal oleh potentiometer?

• Output voltage

• Audio signal

• Current flow

• Resistance

Which code are using to display value of voltage at the serial monitor?

Kod apakah yang digunakan untuk memaparkan nilai voltage?

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What happen to LED if sensorValue at 1000?

Apakah yang terjadi pada LED jika sensorValue ialah 1000?

• LED turn off for 10 sec

• LED burn

• LED blink for 1 sec each

• LED turn on for 2 sec