Longitudinal wave of a slinky has a frequency of 6 Hz. It takes 15 s for the wave to travel through 20 meters long slinky. What is the wavelenght?
Longitudinal wave of a slinky has a frequency of 6 Hz. It takes 15 s for the wave to travel through 20 meters long slinky. What is the wavelenght?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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1. Longitudinal wave of a slinky has a frequency of 6 Hz. It takes 15 s for the wave to travel through 20 meters long slinky. What is the wavelenght?
2. The buzzing sound from a bee is produced when the bee beasts its wing at an average rate of 870 beasts per second. What is the frequency and wavelength of the sound?
3. a 25 electric lamp is placed in 1.5 meters from the screen of A photometer and produces the same illuminance as a lamp of unknown intensity placed 2 meters away. Determine the luminous intensity of electrical lamp.
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