A Young's double-slit apparatus is set up. A screen is positioned 1.30 m from the double slits, and the spacing between the two slits is 0.0392 mm. The distance between alternating bright fringes is 1.16 cm. What is the light source wavelength? (1 nm = 10?9 m)
a. 312 nm
b. 346 nm
c. 321 nm
d. 350 nm
e. 325 nm
d
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Find the equation x = at + b that fits the following data.
A. x = 45 t + 20
B. x = 35 t + 20
C. x = 35 t + 15
D. x = 25 t + 45
The least massive red main-sequence stars may have lifetimes of a trillion years
Indicate whether the statement is true or false
If a floating log is seen to bob up and down 15 times in 1.0 min as waves pass by you, what are the frequency and period of the wave?
What will be an ideal response?
A 70-kg stunt artist rides in a rocket sled which slides along a flat inclined surface. At an instant when the sled's acceleration has a horizontal component of 6.0 m/s2 and a downward component of 2.8 m/s2, what is the magnitude of the force on the rider by the sled?
a. 0.83 kN b. 0.98 kN c. 0.65 kN d. 0.68 kN e. 0.72 kN