An EM wave has a speed of 3 x 10 ^ 8 m/s and a wavelength of 6 x 10 ^ - 7 m. What is the frequency of the wave? 90 Hz 180 Hz 2 x 10 ^ - 15 Hz 5 x 10 ^ 14 Hz

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A bumblebee darts past at 3 m/s. The frequency of the hum made by its wings is 152 Hz. Assume the speed of sound to be 342 m/s. The observed frequency of the hum will be 152 Hz as the bumblebee flies away from you.

Fitness can be achieved only through A. accuracy. B. resistance. C. frequency. D. endurance.

How much is the moon in the first quarter actually lit

When radium-226 decays to form radon-222, what type of decay occurred? A. alpha B. beta C. gamma D. electron

Calculate the wavelength and frequency of the radiation emitted by the electronic transition from the 10th to the 9th excited state of hydrogen.

An unknown fluid has a specific gravity of 0.750. What is the volume of 22.5 kg of this fluid? A. 10 L B. 20 L C. 30 L D. 40 L

What kind of tide is responsible for extreme tides

What does the speed of sound depend on? A. Medium that the sound travels through B. Acoustics C. Frequency of the sound D. Loudness of the sound

Which of these is not a source of the shock waves that lead to protostars?