The figures below represent interference fringes. The distances from the screen to the slits is the same for each figure, and the planes of the screen and the slits are parallel. Which figure(s) represent(s) slits with the smallest spacing d between the slits? The white spaces represent the interference maxima.
A. I.
B. II.
C. III.
D. IV.
E. V.
Answer: E
You might also like to view...
Based on the H-R diagram shown above, about how long does a main-sequence star of spectral type G spend fusing hydrogen into helium in its core?
A) 1000 years B) 10,000 years C) 1 million years D) 100 million years E) 10 billion years
) Based on observations, which of the following statements about stars in the Milky Way is generally true?
A) the older the star, the lower its abundance of heavy elements B) the older the star, the bluer its color C) the older the star, the faster its orbital speed D) the younger the star, the higher its mass E) the less massive the star, the older it is
A player kicks a soccer ball in a high arc toward the opponent's goal. At the highest point in its trajectory
A) both the velocity and the acceleration of the soccer ball are zero. B) neither the ball's velocity nor its acceleration are zero. C) the ball's acceleration is zero but its velocity is not zero. D) the ball's acceleration points upward. E) the ball's velocity points downward.
A 25-kg wooden sign 3.0-m long by 2.2-m high is supported by two nails along its left edge, one at the bottom of the sign and the other at the top. The nails are on the same vertical line
Find the horizontal component of the force exerted by the upper nail. A) 250 N B) 120 N C) 360 N D) 170 N E) 280 N