How does the diffraction pattern due to an opaque wire compare to the diffraction pattern due to a slit with the same width?
A. The slit creates wider pattern
B. The slit creates a narrower pattern
C. The slit and wire create the same pattern
D. The wire does not create a diffraction pattern.
Ans: C. The slit and wire create the same pattern
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A 5000-? resistor and a 50-?F capacitor are connected in series at t = 0 with a 6-V battery. The capacitor is initially uncharged. What is the current in the circuit at t = 0? At t = 0.5 s? What is the maximum charge stored on the capacitor?
What will be an ideal response?
An ideal blackbody absorbs all of the light that is incident on it
Indicate whether the statement is true or false
At their closest approach, Venus and Earth are 4.20 × 1010 m apart. The mass of Venus is 4.87 × 1024 kg, the mass of Earth is 5.97 × 1024 kg, and G = 6.67 x 10-11 N•m2/kg2. What is the force exerted by Venus on Earth at that point?
A) 1.10 × 1018 N B) 4.62 × 1028 N C) 5.43 × 1026 N D) 6.30 × 1020 N E) 1.72 × 1019 N
Jasper takes two books of mass m1 and m2 off the floor and places them on a shelf at height h. The change in potential energy of the book with mass m1 is four times that of the book with mass m2 . What is the relationship between m1 and m2?
a. m1 = 0.25m2 b. m1 = 0.5m2 c. m1 = 2m2 d. m1 = 4m2