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

Physics & Space Science

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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?

Physics & Space Science

An ideal blackbody absorbs all of the light that is incident on it

Indicate whether the statement is true or false

Physics & Space Science

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

Physics & Space Science

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

Physics & Space Science