Properties of Waves | Ripple Tank | Reflection | Refraction | Diffraction | Physics Class 10th
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- เผยแพร่เมื่อ 13 ม.ค. 2025
- Waves are a fundamental concept in physics and have several properties that describe their behavior. Here are some key properties of waves:
Amplitude: The amplitude of a wave refers to the maximum displacement of a particle in the medium from its equilibrium position. In simpler terms, it measures the intensity or strength of the wave. For example, in a transverse wave like a water wave, the amplitude represents the height of the wave crest or depth of the wave trough.
Wavelength: The wavelength of a wave is the distance between two consecutive points that are in phase with each other. It is often denoted by the symbol λ (lambda) and is usually measured in meters. In a transverse wave, such as light or electromagnetic waves, the wavelength corresponds to the distance between two consecutive wave crests or troughs.
Frequency: The frequency of a wave is the number of complete cycles or oscillations it completes in one second. It is measured in hertz (Hz), where 1 Hz equals one cycle per second. The frequency is inversely proportional to the wavelength, meaning that waves with longer wavelengths have lower frequencies and vice versa.
Period: The period of a wave is the time it takes for one complete cycle or oscillation to occur. It is the reciprocal of the frequency and is measured in seconds per cycle. Mathematically, period (T) is related to frequency (f) by the equation T = 1/f.
Speed: The speed of a wave represents how fast the wave is propagating through a medium. It is calculated by dividing the distance traveled by the wave by the time it takes to travel that distance. The speed of a wave depends on the properties of the medium through which it is traveling. For example, in a vacuum, electromagnetic waves (such as light) travel at a constant speed known as the speed of light (approximately 3 x 10^8 meters per second).
Phase: The phase of a wave describes the position of a particle in its oscillatory motion relative to a reference point. It is often represented in terms of angles or fractions of a cycle. Waves that are in phase have their crests and troughs aligned, while waves that are out of phase have a phase difference between them.
Reflection: Reflection occurs when a wave encounters a boundary or obstacle and bounces back. The angle of incidence (the angle between the incident wave and the normal to the boundary) is equal to the angle of reflection (the angle between the reflected wave and the normal). Reflection plays a crucial role in phenomena such as echoes and the way we perceive light.
Refraction: Refraction happens when a wave passes from one medium to another and changes its direction due to a change in its speed. This change in direction occurs because the wave's speed is different in different media. Refraction is responsible for various phenomena, including the bending of light when it passes through a prism or the way a straw appears broken when immersed in water.
These are some of the essential properties of waves. Waves can exhibit different behaviors and characteristics depending on their type (e.g., mechanical waves, electromagnetic waves) and the medium through which they propagate.
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@Minahil589
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I have very little time left to prepare for my board exams, just one month, and I don't remember anything, not even the first chapter which I started today. But watching your lectures, sir, has given me new hope that I can pass, all thanks to you. Your teaching style, sir, is truly praiseworthy❤
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Thanks dear student 🙂
aoa sir this properties are long or short qs according to board exam and the second thing is that we can only do just definition of diffraction etc
It depends upon the examiner. In short they may ask the difference between of any two properties.
And in explanation you have to first explain the construction of ripple tank. Secondly you have to first tell that what is reflection, refraction and diffraction . Lastly you have to explain the about the frequency, speed of wave etc in each properties.
@@BACKBENCHERSACADEMYY ok sir and sir why are u not upload the conceoptual qs😑
Whenever I free I try to record different subjects lectures . InshAllah I'll try to upload lectures on conceptual.
sir please reflection ,refraction and diffraction ki defination btaa do
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Thanks dear student
sir diffraction ki condition bta dein please
When waves hit an obstacle, they bend around it if the obstacle size is similar to the wavelength.
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Thanks dear student may Allah give you success
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May Allah give you success Amen 🍀
May Allah give you success Amen 🍀
sir please reflection ,refraction and diffraction ki defination btaa do
Reflection
The bouncing back of waves when they encounter a boundary or obstacle.
Refraction: The change in direction of waves as they pass from one medium to another with different wave speeds.
Deflection: The change in the path of waves as they encounter an obstacle or slit, leading to spreading or bending of the wavefront.
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sir please reflection ,refraction and diffraction ki defination btaa do
I advise you Try to write it in your own words
But still here is the definition
Reflection
The bouncing back of waves when they encounter a boundary or obstacle.
Refraction:
The change in direction of waves as they pass from one medium to another with different wave speeds.
Deflection:
The change in the path of waves as they encounter an obstacle or slit, leading to spreading or bending of the wavefront.