مسئلہ 9۔ Film development

بیان

The amount of time required to develop a sample of black-and-white photographic film depends on various factors and may be unknown if the film is expired. Try various methods to measure the optimum development time for such a film using a developer of your choice. What methods are fast enough to test a film sample provided by your opponent in the Science Fight?

شماریات

رپورٹس کی تعداد: 1

مستردیوں کی تعداد: 2

اوسط رپورٹر گریڈ: 21.1

اوسط مخالف گریڈ: 14.4

اوسط جائزہ نگار گریڈ: 7.2