A Parallel Beam of Sodium Light of Wavelength 589 Nm $\times$

question 65

Multiple Choice

A parallel beam of sodium light of wavelength 589 nm is normally incident on a diffraction grating.If the second order diffraction maximum is observed at 50.25 degrees to the normal,then calculate the number of lines per cm of the grating.

• A)5.69 \(\times\) 10⁵ cm^-1
• B)1.53 \(\times\) 10⁶ cm^-1
• C)6.53 \(\times\) 10³ cm^-1
• D)1.31 \(\times\) 10⁶ cm^-1
• E)1.31 \(\times\) 10⁴ cm^-1

Assess the legal and social dynamics affecting cohabitants, especially in financial matters.

Understand the economic considerations influencing marriage and cohabitation decisions.

Grasp the impact of structural, demographic, and individual factors on marital decisions.

Compare different legal recognitions of relationships, such as civil unions and marriages, particularly for same-sex couples.

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Definitions:

Frustrating

Causing feelings of annoyance or discouragement because of obstacles or difficulties that prevent progress or achievement.

Adaptive Coping Skill

Strategies or techniques used to manage or overcome stress and emotional distress in a constructive and healthy manner.

External Distractions

Involve environmental stimuli such as noises or visual cues that detract from one's focus or concentration.

One-On-One

A personalized interaction or encounter between two individuals, often used in contexts like coaching or therapy.