Wave could be referred to as the disturbance in a medium. It transfers information and energy through the medium, without transferring the matter.
For a wave having amplitude , and wavelength .
Wavelength : The distance of one complete oscillation. It is measured in meters .
Amplitude : The distance from the maximum displacement to the equilibrium position.
Frequency : Number of waves passing per second through a single point. It is measured in Hertz .
Time period : Time taken by one complete cycle of the wave to pass through a fixed point.
The frequency and time period are reciprocal to each other.
The speed of wave is the product of frequency , and the wavelength .
Question 1: Calculate the frequency of a wave which have a time period of 5 milliseconds.
Explanation: We have given the time period as 5 milliseconds, let us convert that into seconds.
So, 5 milliseconds would be
And, we have
Plug the values,
Final answer: The frequency of the wave would be .
Question 2: Find the speed of wave having frequency , and wavelength as .
Explanation: We have given wavelength as well as frequency, let us apply the formula.
And, we have ,
Final answer: The velocity of the wave would be .
Question 3: Find the wavelength of a wave having a speed of with the frequency of .
Explanation: We have given speed and frequency , let us apply the formula.
Plug the values.
Final answer: The wavelength would be .
What is it that comes to your mind when you come across the term “Waves”? We are sure it is the picture of the water along the seashore flowing back and forth. But does the water actually move from its place or transfer its energy causing many ripples in the water?
Did you ever imagine there was science hidden in the sea waves? If we were to define waves as per physics, it is the disturbance that travels in a regular way along with the transfer of energy. And it isn’t just the water. Wave-like properties are exhibited by sound and light as well.
Waves are categorized into transverse and longitudinal waves. The waves you observe in the water at the beach are transverse waves. The direction of the wave is perpendicular to the motion of the wave oscillation. On the contrary, when the waves propagate in the direction parallel to the vibration, they are identified as longitudinal waves. Sound waves are the best example of such waves.
In a transverse wave, the high point is referred to as the crest and the low point is the trough. The terms compressions and rarefactions are used respectively in the case of longitudinal waves. The number of crests or troughs in any specific period of time tells the frequency of the wave. You can measure the velocity of a wave by multiplying the wavelength and the frequency. Isn’t that fascinating and intriguing?
The only thing that needs to be kept in mind is that waves never transfer mass. They only transfer energy from one point to another.
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Wave is the disturbance of the moving energy from one place to another.
Waves can be classified according to the direction of vibration relative to the energy transfer.
Waves are mainly formed by the wind. It's the first step in the formation of surfable waves.Wind interaction of the ocean surface far from the coast can be create some of the best waves on earth.Local shore winds can also produce waves but they usually destroy the quality of the breaking waves.Onshore winds are typically known for creating choppy and bumpy waves because they push by the direction of the wave making them unstable.
Waves are passing energy through the water causing it to move in a circular motion.
The amount of energy is related to their frequency and amplitude. The higher the frequency the more energy and the higher the amplitude the more energy.
Waves are produced by something that vibrates along the matter that waves travel through it . it can be a solid, liquid, gas, or a combination of these.
Waves can be described by their amplitude, frequency wavelength and along the period. Diffraction is the spreading out of waves when they pass through a gap.
Waves are said to be an energy transport phenomenon.In electromagnetic wave energy can be transferred through vibrations in electric and magnetic fields. In sound wave energy can be transferred through vibration of the air particles of solid through which the sound travels upon its medium.