science
Grade-1
Easy
Question
What is/are the signal (s) indicated in the following picture?
- The screen of the phone turns on
- The phone starts ringing
- The phone starts vibrating
- All of the above
Hint:
The question is from the topic Kinds of signals
The correct answer is: All of the above
The signal indicated in the picture is
- Vibration of phone
- awakening of screen
- ringing of phone
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