- AYes
- BNo
- C It depends on the medium it's traveling through
- D It depends on the color of the light
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Answer: A) Yes Explanation: Light always travels in a straight line, unless it encounters a medium that causes it to bend or refract.
Answer: A) Yes Explanation: Light can travel through a vacuum because it does not require a medium to propagate
Answer: B) They are directly proportional Explanation: The wavelength and frequency of light are related by the equation c = λν, where c is the speed of light, λ is the wavelength, and ν is the frequency.
Answer: A) The bending of light as it passes through a medium
Answer: D) The fourth power of the wavelength of the light Explanation: Rayleigh's scattering law states that the amount of scattering of light is inversely proportional to the fourth power of its wavelength
Answer: D) The interaction of light with the particles of pure liquids or transparent solids, which leads to a change in wavelength or frequency. Explanation: Raman scattering, also known as the Raman effect, is the interaction of light with the particles of pure liquids or transparent solids, which leads to a change in wavelength or frequency. When a parallel beam of monochromatic light passes through a gas, liquid, or transparent solid, a part of the light rays are scattered, and the scattered light contains some additional frequencies or wavelengths other than that of the incident frequency or wavelength.
When a beam of sunlight, enters into a dusty room through a window, then its path becomes visible to us. This is because, the tiny dust particles present in the air of the room scatter the beam of light. This is an example of Tyndall Scattering The scattering of light rays by the colloidal particles in the colloidal solution is called Tyndall Scattering or Tyndall Effect.
When an object is placed at focus real image is formed at infinity.The size of the image is much larger than its original.
Answer: B) Mie scattering
Explanation: Mie scattering is caused by pollen, dust, smoke, water droplets, and other particles in the lower portion of the atmosphere.
The SI unot of power of lens is dioptre.It is denoted by D symbol