Electromagnetic Waves: the Y Component of the Electric Field of an Electromagnetic

question 23

Multiple Choice

Electromagnetic waves: The y component of the electric field of an electromagnetic wave traveling in the +x direction through vacuum obeys the equation E_y = (375 N/C) cos[kx - (2.20 × 10¹⁴ rad/s) t]. What is the wavelength of this electromagnetic wave? (c = 3.0 × 10⁸ m/s)

• A) 0.272 µm
• B) 1.36 µm
• C) 2.72 µm
• D) 8.57 µm
• E) 17.1 µm

Differentiate between various isomers of difluorocyclohexane based on molecular dipole moment and stability considerations.

Understand and apply the concept of conformational analysis to cyclohexane and related structures.

Analyze and predict the stability of different conformers of cyclohexanes and bicyclic compounds.

Draw Newman projections for molecules, demonstrating an understanding of stereochemical relationships.