13. Hello Pikachu

Which sensor is used in this project?

• IR sensor

• LDR sensor

• Touch Sensor

• Ultrasonic sensor

What does IR stand for in IR sensor?

• Intra red

• Inter red

• Infra red

• Inner radiation

What is the maximum weight a servo motor can carry?

• 10g

• 9g

• 12g

• 5g

Servo motor can rotate up to _____ degrees only.

• 360°

• 180°

• 90°

• 150°

What are the uses or IR sensor?

• Detect colours

• Detect objects

• Help in line following by detecting black line.

• All the above

What is a Photodiode?

• Absorbs electricity to make light

• Provides Light only

• Absorbs light to make electricity

• Provides electricity only.

Which mechanisms use IR radiation?

• TV remote

• Car reverse

• Automatic door opening at malls.

• All of them

• Hand sanitizer