The Widths of the Lines Produced by Monochromatic Light Falling

question 25

Multiple Choice

The widths of the lines produced by monochromatic light falling on a diffraction grating can be reduced by:

• A)increasing the wavelength of the light
• B)increasing the number of rulings without changing their spacing
• C)decreasing the spacing between adjacent rulings without changing the number of rulings
• D)decreasing both the wavelength and the spacing between rulings by the same factor
• E)increasing the number of rulings and decreasing their spacing so the length of the grating remains the same

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Definitions:

Reggio Emilia

An educational philosophy focused on preschool and primary education, emphasizing child-centered and self-directed learning within a community, often using self-expression through various mediums.

Piagetian

Pertaining to the theories and research of Swiss psychologist Jean Piaget, especially regarding cognitive development.

Ericksonian

Relates to the methods or therapeutic techniques derived from the work of psychiatrist Milton H. Erickson, particularly known for his approach to hypnotherapy and psychotherapy.

Parent Participation

The involvement of parents in the educational, developmental, or activity-based contexts of their children.