True or False. Use A for True and B for False. Place the answer on the line next

Question

True or False. Use A for True and B for False. Place the answer on the line next to the statement. _____A submarine is directly below an aircraft carrier in the Atlantic Ocean. An explosion occurs 5 km away. The crew on the submarine will hear the sound first. ______A node is the point on a standing wave that has the maximum displacement. ______ You are holding an ice cube in your hand. The heat flows from the ice cube to your hand. ________Sources that are in-phase produce the same part of the sound wave at the same time. _______The speed of a wave depends only on properties of the medium the wave is moving through. Matching. Place the letter of the correct answer next to the statement. Each choice will be used only once. heat temperature internal energy thermal expansion phase change specific heat latent heat condensation sublimation evaporation Celsius Fahrenheit wavelength tension linear density intensity decibels underdamped resonance overdamped Doppler Effect

Explanation / Answer

9. A Sound travels faster in water

10. B Node has zero displacement

11. B Heat flows from hot object to cold object

12. B Sources in phase produce same amplitude

13. B Speed of wave also depends on wavelength and frequency.

14. Q Decibels is the measure of loudness.

15. K Celsius scale has 100 divisions between 0 C and 100 C.

16. U The statement is Doppler's effect definition.

17. AD Longitudinal waves have parallel disturbances.

18. X Standing wave is produced when two identical waves overlap.

19. V Constructive interference occurs when two waves are in phase.

20. AE Source of heat gives heat energy.

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