CHAPTER 11. 2D AND3D WAVEFRONTS 11.6
(a) 12.22 degrees
(b) 18.51 degrees
(c) 30.53 degrees
- If the first minimumis at 8.21 degrees andthe second minimum is
at 16.6 degrees, what isthe wavelength of lightand the width of the
slit? (Hint: solve simultaneously.)
- Determine the MachNumber, with a speed of sound of 340 m· s−^1 ,
for the following aircraftspeeds:
(a) 640 m· s−^1
(b) 980 m· s−^1
(c) 500 m· s−^1
(d) 450 m· s−^1
(e) 1300 km· h−^1
(f) 1450 km· h−^1
(g) 1760 km· h−^1
- If an aircraft has a Mach Number of 3.3 and the speed of sound is 340
m· s−^1 , what is its speed?
- Determine the MachCone angle, with a speedof sound of 340 m· s−^1 ,
for the following aircraftspeeds:
(a) 640 m· s−^1
(b) 980 m· s−^1
(c) 500 m· s−^1
(d) 450 m· s−^1
(e) 1300 km· h−^1
(f) 1450 km· h−^1
(g) 1760 km· h−^1
- Determine the aircraft speed, with a speed of sound of 340 m· s−^1 ,
for the following Mach Cone Angles:
(a) 58.21 degrees
(b) 49.07 degrees
(c) 45.1 degrees
(d) 39.46 degrees
(e) 31.54 degrees
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(1.) 01ii (2.) 01ij (3.) 01ik (4.) 01im (5.) 01in (6.) 01ip
(7.) 01iq (8.) 01ir (9.) 01is
