Question

1.Which property is set is a property of electromagnetic Waves

a. EM- Waves are orthogonal

b. EM-Waves are transverse

c EM-Waves functions are harmonic

d Simple harmonic motion S.H.M. describes the dynamics of EM-Waves

2. A plane wave is:

a. Disturbance of a medium caused by a airplane

b wave front within a medium far from the source of the wave

c depend on coordinates perpendicular to the direction of propagation

d. b&c

3. The statement, "Pressure applied to a enclosed in compressible static fluid is transmitted undiminished so al parts of a fluid."is

a. Archimedes Prisciple

b. Bersouilli's Principle

c. an inherent property of the pressure/depth relationship.

d. Piscal's Principle

4. The Doppler Effect describes phenomenon in which a physical quantity associated with a wave seems to shift. What physical property apparently shifts?

a distance traveled in medium

b. frequency

c. wavelength

d. speed of the wave in a medium

5. What assumption(s) is critical to the development of the Doppler Effect

A)assume and inertial reference frame

B)assume the medium is at rest

C) assume the speed of the wave is constant within the medium

D) a&c

Answer 1

1) b. EM-Waves are transverse

All EM radiation are transverse waves, meaning, that the oscillations of the waves are perpendicular to the direction of energy transfer and travel.

2) d. b&c

A plane wave is a wave whose wavefronts are infinite parallel planes. A homogeneous plane wave is one in which the planes of constant phase are perpendicular to the direction of propagation.

3) d. Piscal's Principle

4) b. frequency and c. wavelength

The Doppler effect (or the Doppler shift) is the change in frequency or wavelength of a wave.

5) D) a&c