Light of wavelength 687 nm is incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the screen?
A) 0.39 m
B) 0.47 m
C) 0.93 m
D) 1.1 m
E) 1.9 m
C
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When an element undergoes nuclear transmutation, the result is a completely different
A) isotope of the same element. B) ion of the same element. C) element.
The turntable of a record player has an angular velocity of 8.0 rad/s when it is turned off. The turntable comes to rest 2.5 s after being turned off. Through how many radians does the turntable rotate after being turned off? Assume constant angular acceleration
a. 12 rad b. 8.0 rad c. 10 rad d. 16 rad e. 6.8 rad
The angular size of the Sun as observed from Earth is about 0.5 degree.
Answer the following statement true (T) or false (F)
Is the Chernobyl accident an advertisement for passive reactor safety features? Explain
What will be an ideal response?