A Young's double-slit experiment is performed, and the distance between bright fringes is d0 . If the experiment is repeated, this time under water, what is the relationship between the new distance between bright fringes, dw, and the original distance, d0?
a. dw < d0
b. dw = d0
c. dw > d0
d. Not enough information
a
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A celebrating student throws a water balloon horizontally from a dormitory window that is 50 m above the ground. It hits the ground at a point 60 m from the building. Ignore air
(a) What will be the horizontal component of the velocity of the balloon just before it hits the ground? (b) What will be the magnitude of the vertical velocity of the balloon just before it hits the ground?
The pattern of hot convective cells rising in the photosphere is called
A) aurora. B) prominences. C) granulation. D) flares. E) sunspots.
Four point charges, each of charge 2.5 x 10-5, are located on the x- and y-axes, one at each of the locations (0, 2.0 m), (0, -2.0 m), (2.0 m, 0), and (-2.0 m, 0). The potential at the origin is
A) 2.3 × 105 V. B) 4.5 × 105 V. C) 3.5 × 105 V. D) 1.1 × 105 V. E) 0.
According to the solar nebula theory, Earth and the other planets of the Solar System formed billions of years ago as the Sun _______________ from a cloud of interstellar gas and dust
Fill in the blank(s) with correct word