Question Answers

Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 16 - Waves > A good photographic print is obtained by an exposure of 2 second at a distance of 1 m from the lamp. How much time will be required to get equally good result at a distance 2 m from the same lamp?

A good photographic print is obtained by an exposure of 2 second at a distance of 1 m from the lamp. How much time will be required to get equally good result at a distance 2 m from the same lamp?

A good photographic print is obtained by an exposure of 2 second at a distance of 1 m from the lamp. How much time will be required to get equally good result at a distance 2 m from the same lamp?