(a)
Interpretation:
The phenomenon of refraction with an example is to be defined.
Concept introduction:
Light is
The wavelength of an electromagnetic wave is defined as the distance between two troughs or two crests.
The frequency of an electromagnetic wave is defined as the total number of waves that pass through a particular point in a second.
The amplitude of an electromagnetic wave is defined as the height of the crest or the depth of the trough. The square of the amplitude is directly proportional to the intensity of the wave.
(b)
Interpretation:
The phenomenon of diffraction with an example is to be defined.
Concept introduction:
Light is electromagnetic radiation. Light has a dual nature of wave and particle. A wave is defined as a periodic oscillation by which energy is transmitted through space. The wave nature of light is exhibited by the properties such as wavelength, amplitude and frequency.
The wavelength of an electromagnetic wave is defined as the distance between two troughs or two crests.
The frequency of an electromagnetic wave is defined as the total number of waves that pass through a particular point in a second.
The amplitude of an electromagnetic wave is defined as the height of the crest or the depth of the trough. The square of the amplitude is directly proportional to the intensity of the wave.
(c)
Interpretation:
The phenomenon of dispersion with an example is to be defined.
Concept introduction:
Light is electromagnetic radiation. Light has a dual nature of wave and particle. A wave is defined as a periodic oscillation by which energy is transmitted through space. The wave nature of light is exhibited by the properties such as wavelength, amplitude and frequency.
The wavelength of an electromagnetic wave is defined as the distance between two troughs or two crests.
The frequency of an electromagnetic wave is defined as the total number of waves that pass through a particular point in a second.
The amplitude of an electromagnetic wave is defined as the height of the crest or the depth of the trough. The square of the amplitude is directly proportional to the intensity of the wave.
(d)
Interpretation:
The phenomenon of interference with an example is to be defined.
Concept introduction:
Light is electromagnetic radiation. Light has a dual nature of wave and particle. A wave is defined as a periodic oscillation by which energy is transmitted through space. The wave nature of light is exhibited by the properties such as wavelength, amplitude and frequency.
The wavelength of an electromagnetic wave is defined as the distance between two troughs or two crests.
The frequency of an electromagnetic wave is defined as the total number of waves that pass through a particular point in a second.
The amplitude of an electromagnetic wave is defined as the height of the crest or the depth of the trough. The square of the amplitude is directly proportional to the intensity of the wave.
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