Light of wavelength 575 nm passes through a double-slit and the third order bright fringe is seen at an angle of 6.5° away from the central fringe. What is the separation between the double slits?
A) 5.0 µm
B) 10 µm
C) 15 µm
D) 20 µm
E) 25 µm
C
You might also like to view...
____________________ is the smallest of the large moons of Uranus and its surface has features called ovoids. These ovoids may have been formed by the upheaval of material by convection in the interior
Fill in the blank(s) with correct word
Which of the SI prefixes is used to indicate
A. kilo B. mega C. giga D. tera E. nano
An electric field of 4.0 ?V/m is induced at a point 2.0 cm from the axis of a long solenoid (radius = 3.0 cm, 800 turns/m). At what rate is the current in the solenoid changing at this instant?
a. 0.50 A/s b. 0.40 A/s c. 0.60 A/s d. 0.70 A/s e. 0.27 A/s
A 100-W light bulb is in a socket supplied with 120 V. What is the current in the bulb?
a. 7200 A c. 1.4 A b. 0.83 A d. 0.50 A