Two slits separated by 0.10 mm are illuminated with green light (? = 540 nm). Calculate the distance (in cm) from the central bright-region to the fifth bright band if the screen is 1.0 m away
a. 2.3
b. 2.5
c. 2.7
d. 2.1
e. 2.0
c
You might also like to view...
A 2-kg ball is thrown horizontally at. a speed of 10 m/s. At the same time, a 1-kg ball is dropped from the same height. Ignoring air resistance, which ball hits the ground first?
a. the 2-kg ball b. it's a tie c. the 1-kg ball
While most neutron stars are also pulsars, an older "bare" neutron star was captured in rapid motion only 200 lightly years distant by:
A) Arecibo Radio Observatory. B) the Keck Telescopes used as an interferometer. C) the Chandra X-ray observatory. D) the Hubble Space Telescope. E) the Spitzer Infrared Space Telescope.
Astronomers can tell whether a light source approaches or recedes from Earth by
A) its temperature. B) its change in temperature. C) its absorption spectra. D) the Doppler effect. E) all of the above
A spaceship moves at a speed of 0.95c away from the Earth. It shoots a star wars torpedo toward the Earth at a speed of 0.90c relative to the ship. What is the velocity of the torpedo relative to the Earth? (The direction in which the spaceship moves is the positive direction.)
a. ?0.34c b. 0.34c c. 0.060c d. ?0.060c e. 0