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The five different speeds of film are ISO 100, ISO 200, ISO 400, ISO 800, and ISO 1600. These represent the sensitivity of the film to light, with higher ISO numbers being more sensitive and allowing for better performance in low-light conditions. Different speeds are chosen based on the lighting conditions and desired effect of the photograph.

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1y ago

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How do you find the average velocity if there are two different speeds?

To find the average velocity when there are two different speeds, you can use the formula: average velocity = total distance traveled / total time taken. Simply calculate the total distance traveled and total time taken for the two different speeds, and plug these values into the formula to find the average velocity.


Why does light travel at different speeds in different materials?

Light travels at different speeds in different materials because its speed is influenced by the material's refractive index, which is a measure of how much the material slows down light. When light enters a material with a higher refractive index, it is slowed down more compared to when it travels through a material with a lower refractive index. This difference in speed causes light to travel at different speeds in different materials.


What type of motion in which particles are moving in different directions different speeds?

Brownian motion is a type of random motion in which particles move in different directions and at different speeds due to collisions with other particles in the surrounding medium. This phenomenon was first observed by Robert Brown in the early 19th century.


Do different shaped objects fall at different speeds with the same weight?

In a vacuum, all objects fall at the same speed regardless of shape or weight due to gravity exerting the same force on them. However, in the presence of air resistance, objects with different shapes will fall at different speeds due to variations in air resistance.


What are the glaxies moved toward at different speeds called?

Galaxies moving toward each other at different speeds are called interacting galaxies. These interactions can result in tidal forces, collisions, and merging of the galaxies, leading to various changes in their structures.