A narrow slit is illuminated with sodium yellow light of wavelength 589 nm. If the central maximum extends to ±30.0°, how wide is the slit?
a. 0.500 mm
b. 2.20 × 10^?6 m
c. 3.33 × 10^?5 m
d. 1.18 ?m
e. 5.89 ?m
d
Physics & Space Science
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Fill in the blank(s) with correct word
Physics & Space Science
The first pulsars were observed using ________ telescopes.
A. gamma ray B. X-ray C. infrared D. radio E. optical
Physics & Space Science
A single slit forms a diffraction pattern, with the first minimum at an angle of 40.0° from central maximum, using monochromatic light of 490-nm wavelength. What is the width of the slit?
A) 762 nm B) 700 nm C) 637 nm D) 668 nm E) 731 nm
Physics & Space Science
A mercury manometer measures a pressure of 150 mmHg. What is this pressure in kPa?
A. 12 B. 15 C. 20 D. 24 E. 29
Physics & Space Science