Multiple Choice
A point source of monochromatic light is placed in front of a soccer ball and a screen is placed behind the ball.The light intensity pattern on the screen is best described as:
A) a dark disk on a bright background
B) a dark disk with bright rings outside
C) a dark disk with a bright spot at its center
D) a dark disk with a bright spot at its center and bright rings outside
E) a bright disk with bright rings outside
Correct Answer:

Verified
Correct Answer:
Verified
Q2: A beam of x rays of wavelength
Q3: Light of wavelength 480 nm falls on
Q4: A beam of white light (from 400
Q5: Light of wavelength 550 nm is incident
Q6: A beam of x-rays of wavelength 0.20
Q8: In the equation d sin
Q9: A light beam incident on a diffraction
Q10: The resolving power of a diffraction
Q11: When the atmosphere is not quite clear,
Q12: To obtain greater dispersion by a diffraction