The probability density for an electron that has passed through an experimental apparatus is shown in the figure
If 4100 electrons pass through the apparatus, what is the expected number that will land in a 0.10 mm-wide strip centered at x = 0.00 mm?
A) 140
B) 1400
C) 450
D) 45
Answer: A
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A) a cloudy day B) a sheet of glass between you and the Sun C) frequent turning of your body D) all of the above E) none of the above
A series LC circuit contains a 100 mH inductor, a 36.0 mF capacitor and a 12 V battery. The angular frequency of the electromagnetic oscillations in the circuit is
a. 36.0 × 10^?4 rad/s. b. 6.00 × 10^?2 rad/s. c. 2.78 rad/s. d. 16.7 rad/s. e. 277 rad/s.
Two slits are illuminated with red light (? = 650 nm). The slits are 0.25 mm apart and the distance to the screen is 1.25 m. What fraction of the maximum intensity on the screen is the intensity measured at a distance 3.0 mm from the central maximum?
a. 0.94 b. 0.92 c. 0.96 d. 0.98 e. 0.99
The discovery of hot Jupiters led scientists to reconsider the nebuar theory. Which of the following best explains why the nebular theory(as it stood before the discoveries of extrasolar planets) had not predicted the existence of hot Jupiters?
What will be an ideal response?