Question: A wave has a wavelength of 2.0 m and a frequency of 20.0 Hz.The speed of this wave is...Question 4 options:22.0 m/s18.0 m/s40.0 m/s0.10 m/s 0 The speed of this wave is... Question4options:...
百度试题 结果1 题目(a) A wave has a frequency of 10 Hz and a wavelength of 80 cm, what is the wavespeed of this wave? 相关知识点: 试题来源: 解析 Answer: 8m/sPlug f=10 Hz and λ=0.8m into our equation v=f×λ. 反馈 收藏 ...
5.1 The wave has a wavelength of 8.0 cm. (a) Determine the speed of the wave. speed = m s–1 [2] (b) A second wave Z has wavelength 8.0 cm and amplitude 2.0 mm at point P. Waves Y and Z have the same speed. For the waves at point P, calculate the ratio intensity of ...
A wave has a speed of 240 m/s and a wavelength of 3.2 m. What are a) the frequency and b) the period of the wave? Wave speed, wavelength and frequency: The speed of propagation of a wave is related to its wavelength and frequ...
Wavelength:The wavelength of a wave is given in terms of length, or distance. Usually, it defines the distance between two consecutive peaks of a wave. Here, the peaks of waves can be defined as troughs or crests. The SI unit of meter (m) is...
A wave in air has a frequency of 1100 Hz, an amplitude of 4 cm and a wavelength of 30 cm.a. Calculate the speed of the wave.b. Suggest what type of wave it is likely to be.c. Calculate the period of the wave. 相关知识点: 试题来源: 解析 a. 该波的波速为 330 m/s。 b...
5(a)In classical wave theory, light is an electromagnetic wave and the intensity of the wave is proportional to the square of the amplitude of the wave.But according to Einstein's photon theory, light comes in quant a of electromagnetic energy and each quantum is proportional to the frequency...
A wave has height from low point to high point,可知答案为D项说明的内容是错误的,故选B小题3:根据文章内容第三段的内容If we want to find the speed of a wave we may use the following way : Speed =" wavelength" × frequency (频率).根据题目中所给的信息,可知答案为D小题4:根据文章整体的...
9.(3pts)The angular separation of the two components of a double star is 8×10-3radand the light from the double stat har a wavelength of 550nm. According to the Rayleigh criterion, the smallest diameter of a telescope mirror that will resolve the double star is___m. 10.(3pts)The ...
百度试题 结果1 题目20 A wave of frequency 6600 Hz travels 1320m in 4.0 s.What is the wavelength? A A 0.050m B 0.80m C 1.3m D 20m 相关知识点: 试题来源: 解析 A 反馈 收藏