11.Autonomous Robot

Where should the Ultrasonic sensor be positioned on the car?

• 
• 
• 
• 

What is an ultrasonic sensor used for in an autonomous robot?

• To detect colors

• To measure temperature

• To detect obstacles

• To detect sound

Observe the figure carefully and answer the question

What is the maximum limiting distance that we have used in this case?

• 255cm

• 10cm

• 15cm

• 100cm

What will happen if we use same pins for both trigger and echo of ultrasonic sensor?

• sensor will not work properly

• sensor works more efficiently

• sensor will heats

• none of them

Which pins will helps to send the sound waves?

• Echo

• Trigger

• Vcc

• Gnd

Which of the following options will permanently stop the motor?

• 
• 
• both of them

• none of them

How long, in seconds, will the car move in the forward direction?

• 1000 sec

• 1sec

• 2000 sec

• 2 sec