When light of wavelength 450 nm falls on a single slit of width 0.30 mm, what is the angular width of the central bright region?
A) 0.086°
B) 0.13°
C) 0.17°
D) 0.26°
E) 0.35°
C
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What are the differences between neap tides and ebb tides?
a -The tidal range of a spring tide is larger than the tidal range of a neap tide. b -During a spring tide, the moon, Earth and sun are aligned along a single line. During a neap tide, the moon and sun act on the Earth in right angles.\ c -When a spring tide occurs, the moon is new or full. When a neap tide occurs. The moon is at first quarter or new quarter. d -All of the above
Two loudspeakers placed 6.0 m apart are driven in phase by an audio oscillator whose frequency range is 2193 Hz to 2967 Hz
A point P is located 4.4 m from one loudspeaker and 3.6 m from the other. The speed of sound is 344 m/s. The frequency produced by the oscillator, for which constructive interference of sound occurs at point P, is closest to A) 2580 Hz. B) 2903 Hz. C) 2473 Hz. D) 2795 Hz. E) 2688 Hz.
An object that has zero resistance is a semiconductor
Indicate whether the statement is true or false
Deep ocean currents flow in a circulation pattern that is
A) north to south. B) south to north. C) west to east. D) east to west.