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Question 1 of 12
1. Question
1 point(s)Which of the following is NOT TRUE about the speed of sound wave in solid, liquid and gas?
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Question 2 of 12
2. Question
1 point(s)Ultrasonic is the sound with frequency
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Question 3 of 12
3. Question
1 point(s)A louder sound have
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Question 4 of 12
4. Question
1 point(s)The pitch of a sound is determined by its
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Question 5 of 12
5. Question
1 point(s)The sound of a moving train at a distance sound louder at night than that in the day time. This is due to
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Question 6 of 12
6. Question
1 point(s)Two speakers are placed a distance apart of 1.5 m. An audio signal generator is adjusted to a frequency of 600 Hz. When a student walks 3.0 m in front of the speakers, he gets to hear four loud sounds successively in a distance of 3.3 m. Find the wavelength of the wave
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Question 7 of 12
7. Question
1 point(s)Which of the followings is not the common property of electromagnetic wave?
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Question 8 of 12
8. Question
1 point(s)Which of the following pair of emission travel with equal speed in the air?
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Question 9 of 12
9. Question
1 point(s)Which effect provides direct experimental evidence that light is a transverse, rather than a longitudinal, wave motion?
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Question 10 of 12
10. Question
1 point(s)Which of the following is not electromagnetic wave?
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Question 11 of 12
11. Question
1 point(s)Which of the followings are the uses of microwave?
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Question 12 of 12
12. Question
1 point(s)Which of the followings are common properties of electromagnetic wave?
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