The frequency of the wave increases. The speed and wavelength of the wave will A

Question

The frequency of the wave increases. The speed and wavelength of the wave will A) increase, increase B) stay constant, decrease C) stay constant, increase. D) increase, constant Which of the following is the lowest temperature? A) 0 degree C B) 55 degree F C) 300 degree K D) All the same temperature A ball is slightly larger than a hole in a ring when both are at the same temperature. If both the ball and ring are cooled. What must be true of the coefficients thermal expansion of the ball and the ring if the ball is to fall through the hole? A) The ball has a larger coefficient. B) The ring has a larger coefficient C) Both objects have the same coefficient. D) Not enough information While a solid changes into a liquid, the temperature of the A) solid and liquid are the same B) solid is greater C) liquid is greater D) none of these When two waves arrive at a point on a medium, the combing of the waves is called A) resonance B) beats C) interference D) resonance Why is it harder to hear someone speak when you are far away from them? A) the intensity of the wave decreases as the sound wave moves. B) the speed of the wave decreases as the sound wave moves. C) the frequency gets smaller as the wave moves. D) the wavelength gets smaller as the wave moves. When the source of the sound and the observer of the sound get closer toge A) The observer detects a higher frequency than the source is producing. B) The observer detects the same frequency as the source is producing. C) The observer detects a lower frequency than the source is producing. A beat frequency is heard when A) When the frequency of two simultaneous sound waves is identical. B) When the source of the sound wave is moving away. C) When the frequency of two simultaneous sound waves is different. D) When the source of the sound wave is moving towards.

Explanation / Answer

1) Option B)

An increase in wave frequency caused a decrease in wavelength while the wave speed remained constant.

2) Option A)

As 0 C = 32 F = 273 K

3) Option B)

4) Option A) =====> Duringchanges of state (phase changes), the temperature remains constant

5) Option C)

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