Multiple Choice
When light travels from medium X to medium Y as shown: 
A) both the speed and the frequency decrease
B) both the speed and the frequency increase
C) both the speed and the wavelength decrease
D) both the speed and the wavelength increase
E) both the wavelength and the frequency are unchanged
Correct Answer:
Verified
Correct Answer:
Verified
Q2: The illustration shows total internal reflection taking
Q3: The sun is about 1.5 * 10<sup>11</sup>
Q8: Radio waves differ from visible light waves
Q8: The product <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3150/.jpg" alt="The product
Q9: The electric field in unpolarized light:<br>A) has
Q11: The diagram shows the passage of a
Q12: Radio waves of wavelength 3 cm have
Q30: As light goes from one medium to
Q79: Visible light has a frequency of about:<br>A)5
Q80: As used in the laws of reflection