13. What kind of wave is a sound wave?
A. transverse, mechanical
B. longitudinal, mechanical
C. transverse, electromagnetic
D. longitudinal, electromagnetic
14. What kind of wave is visible light?
A. transverse, mechanical
B. longitudinal, mechanical
C. transverse, electromagnetic
D. longitudinal, electromagnetic
15. The intensity of light and illumination varies inversely on the square of the distance from the source. Which of the following statement is TRUE?
A. The nearer the source of light, the higher the illumination.
B. The nearer the source of light, the lesser the illumination.
C. The farther the source of light, the higher illumination.
D. The higher the illumination. the lesser the intensity.
A. transverse, mechanical
B. longitudinal, mechanical
C. transverse, electromagnetic
D. longitudinal, electromagnetic
14. What kind of wave is visible light?
A. transverse, mechanical
B. longitudinal, mechanical
C. transverse, electromagnetic
D. longitudinal, electromagnetic
15. The intensity of light and illumination varies inversely on the square of the distance from the source. Which of the following statement is TRUE?
A. The nearer the source of light, the higher the illumination.
B. The nearer the source of light, the lesser the illumination.
C. The farther the source of light, the higher illumination.
D. The higher the illumination. the lesser the intensity.
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Answer:
13. What kind of wave is a sound wave?
A. transverse, mechanical
B. longitudinal, mechanical
C. transverse, electromagnetic
D. longitudinal, electromagnetic
14. What kind of wave is visible light?
A. transverse, mechanical
B. longitudinal, mechanical
C. transverse, electromagnetic
D. longitudinal, electromagnetic
15. The intensity of light and illumination varies inversely on the square of the distance from the source. Which of the following statement is TRUE?
A. The nearer the source of light, the higher the illumination.
B. The nearer the source of light, the lesser the illumination.
C. The farther the source of light, the higher illumination.
D. The higher the illumination. the lesser the intensity.