For fixed values of wavelength and x, when the slit width was doubled, the distance from the center of the brightest band in the pattern to the center of one of the 2 adjacent dark bands:
Correct answer: B. Was halved.
- A. Was doubled.
- B. Was halved.
- C. Remained unchanged.
- D. Varied with no general trend.
Explanation
Keeping the wavelength and x constant in study 1, when slit length is doubled, y is halved. Therefore, this option is the correct answer.
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About Scientific Reasoning
Scientific reasoning evaluates hypotheses through observations, variables, controls, measurements and experimental results. Questions involve identifying independent and dependent variables, recognising a fair test, interpreting tables or graphs, distinguishing evidence from opinion, and deciding whether data supports, rejects or leaves a hypothesis unresolved.
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