OCN-U2-Q5

1. What is dispersion in the context of light?

• a) The bending of light rays

• b) The splitting of white light into its constituent colors

• c) The absorption of light by a medium

• d) The reflection of light from a surface

2. What causes dispersion of light?

• a) Refraction of light at different angles for different wavelengths

• b) Absorption of light

• c) Reflection of light

• d) Diffraction of light

3. Which of the following phenomena is a direct result of dispersion?

• a) Rainbow formation

• b) Scattering of light

• c) Diffraction

• d) Polarization

4. Which color of light is refracted the least during dispersion through a prism?

• a) Red

• b) Blue

• c) Violet

• d) Green

5.What happens to the speed of light when it passes from air into glass?

• a) Increases

• b) Decreases

• c) Remains the same

• d) Varies depending on the color

6.The phenomenon of dispersion shows that the refractive index of a material depends on:

• a) The density of the material

• b) The intensity of light

• c) The wavelength of light

• d) The angle of incidence

7.Which of the following instruments uses dispersion to separate light into its component colors?

• a) Telescope

• b) Spectrometer

• c) Microscope

• d) Camera