Report Bug

QusWhich IR sensor has both parts: an LED as an Infrared Radiation transmitter and a Photodiode as an Infrared Radiation receiver? Qusकिस IR sensor में Infrared transmitter के रूप में LED तथा Infrared receiver के रूप में photodiode दोनों होते हैं?

A. Active IR Sensor
B. Passive IR Sensor
C. Both Active IR Sensor and Passive IR Sensor
D. None

Solution

A. Active IR Sensor

Explanation

An active IR sensor uses its own IR transmitter and receiver to detect reflected infrared radiation.

Active IR sensor में IR transmitter और receiver दोनों होते हैं और यह reflected infrared radiation को detect करता है।