In a two-slit experiment, the slit separation is 3.00 × m. The interference pattern is recorded on a flat screen-like detector that is 2.00 m away from the slits
If the seventh bright fringe on the detector is 10.0 cm away from the central fringe, what is the wavelength of the light passing through the slits?
A) 100 nm
B) 204 nm
C) 214 nm
D) 224 nm
E) 234 nm
Answer: C
You might also like to view...
You see colors with a prism because of
a. interference b. diffraction c. specular reflection d. dispersion e. polarization
Magnetic Field of a Long Wire: The magnitude of the magnetic field that a long and extremely thin current-carrying wire produces at a distance of 3.0 µm from the center of the wire is 2.0 × 10-3 T. How much current is flowing through the wire? (?0 = 4? × 10-7 T ? m/A)
A. 30 mA B. 190 mA C. 19 mA D. 380 mA
The inside of a house is at 20°C on an early morning when the temperature outside is 15°C. The next morning the inside temperature is the same, but the outside temperature is now 5°C. How much does the energy per unit time lost by conduction through the walls, windows, doors, etc., change for the house from the first morning to the second one
a. Since the inside temperature stays the same, the loss is the same both days. b. The loss reduces to 1/3. c. The loss triples. d. The loss increases by 5/278 since we need to use the Kelvin scale for this calculation.
Without greenhouse gases in our atmosphere, the Earth's oceans would not be liquid
Indicate whether the statement is true or false