What happens to the wavelength of a wave when the frequency decreases? An ocean wave usually occurs at a frequency of 0.2 hz. What is the period of each wave? What happens to the amount of energy in a wave when its amplitude increases? What is the period of a sound wave that has ...
The frequency of the light remains constant. The wavelength of the light reduces to (lambda)/(mu), where mu is the refractive index of the medium. The speed of the light beam also reduces to (c)/(mu).
试题来源: 解析 The frequency of the water wave remains constant as it passes into the slower region. 当水波从一个介质进入另一个传播速度较慢的介质时,其频率保持不变。这是因为频率由波源决定,与介质无关。波速的降低会导致波长的减小,以保持频率恒定。因此,水波的频率在进入较慢的区域后保持不变。
If the period of the oscillator doubles, what happens to the wavelength and wave speed? a. The wavelength doubles but the wave speed is unchanged. b. The wavelength is halved but the wave spe If the speed of the wave doubles while the frequenc...
解析 The frequency of a progressive wave is the number of cycles of the wave that pass a fixed point per unit time. 频率是指单位时间内波形重复的次数。对于进行波来说,频率指的是单位时间内波形经过某一点的次数。 简而言之,频率代表了波的振动速度,它决定了波的音调或颜色。
1. A sound wave of the form s = sm cos(kx - ωt + φ) travels at 345 m/s through air in a long horizontal tube. At one instant, air molecule A at x = 2.00 m...
In spatial multiplexing, multiple antennas are used on the receive end and transmit end, and multipath components in spatial communication are used, allowing signals to be transmitted over multiple data channels (MIMO sub-channels) on the same frequency band. This technology makes the...
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 ...
For the electric motor, power is converted from the DC battery to AC. The accelerator pedal sends a signal to the controller, which changes the frequency of the AC power from the inverter to the motor to adjust the vehicle’s speed. The motor is coupled to and rotates the wheels through...
B First, we need to find the wavelength of the wave using the wave speed formula . Then, we calculate the fraction of a wavelength that the distance between the two points represents. This fraction will give us the phase difference.反馈...