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View all1The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?2The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ?3A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?4The cracking sound heard when dry hair is combed with a hard rubber comb is due to_________?5The approximate intensity level of the sound which can cause damage to the ear drum is?6The waves which are used for line of sight (LOS) communication are called:
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Correct Answer: A: Power Smart
Explanation: The correct answer is Power Smart. Prime Minister Shehbaz Sharif launched the 'Power Smart' mobile app on June 29, 2025, to empower electricity consumers. The initiative 'Apna Meter Apni Reading' gives consumers control over their meter readings.
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- The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?
- The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ?
- A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?
- The cracking sound heard when dry hair is combed with a hard rubber comb is due to_________?
- The approximate intensity level of the sound which can cause damage to the ear drum is?
- The waves which are used for line of sight (LOS) communication are called: