Diffraction Grating #1 Has Twice the Lines/cm That Diffraction Grating

question 41

Multiple Choice

Diffraction grating #1 has twice the lines/cm that diffraction grating #2 does. When used with a certain wavelength of light, both gratings give first order (m = 1) maxima. Which of the following statements is true for the same wavelength of light.

• A) Both gratings must also give second (m = 2) order maxima.
• B) It is possible that neither grating gives a second order maximum.
• C) Grating #1 must give a second order maximum.
• D) Grating #2 must give a second order maximum.

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Humanistic Therapist

A type of therapist who employs a humanistic approach to psychotherapy, focusing on an individual's unique potential for self-growth and personal understanding.

Psychoanalyst

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A therapeutic approach founded by Sigmund Freud, focusing on uncovering unconscious motives and conflicts as means of understanding and treating psychological disorders.