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Question: Suppose the interference pattern of Fig. 10.18b was created by a thin wire illuminated by light from a helium-neon laser at a wavelength of 633 nm. Determine the diameter of the wire.
Fig. - The lower curve shows the pattern of intensity from a single slit of width 100λ . The upper curve is the pattern of intensity of laser light diffracted around on opaque strip of width 100λ. the width of the laser beam is 16 times of the width of the strip.
With the reference to the expression for speed of sound in any gas, show why pressure is not important in determining the speed of sound; by using the value for the gas constant R and the molecular mass of dry air, derive an expression for the spe..
Examine the flow over the supersonic airfoil illustrated in Fig., using shock-expansion theory. Assume that the Mach number =2.5, the chord length c = 1 m.
A woman stands on a scale in a moving elevator. Her mass is 69.5 kg, and the combined mass of the elevator and scale is an additional 815 kg. What does the scale read during the acceleration
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed. The radius of the orbit is 4.41 × 10-11 m. Determine the magnitude..
A one-turn circular loop carrying a current of 2.5 Amp is located in a uniform magnetic field of 0.85 T, Find the length of the wire used to form the loop
Which physical parameter, more than any other, most probably controlled the early evolution of the planetary system and dictated the characteristics of the planets that eventually formed?
(a) Find the tension T in the cord and acceleration a of the bucket. (b) If the bucket starts from rest at the top of the well and falls for 3.22 s before hitting the water, how far does it fall?
As you stand on a pier looking at a harbor, the waves created by a large freighter come ashore. You estimate the wavelength to be 3.0 m, What is the frequency of the wave in hertz
A transformer has input voltage and current of 10 V and 4 A respectively, and an output current of 0.8 A. how many turns are on the primary side
question an electron moving with a velocity v 5.0 times 107 ms i enters a region of space where perpendicular electric
A cubic crystal with interatomic spacing of 0.24 nm is used to select gamma rays of energy 100 keV from a radioactive source containing a continuum of energies. at what angle do the 100 keV gamma rays appear
You are pulling a suitcase through an airport at a constant speed. The handle of the suitcase makes an angle of 60 degrees with respect to the horizontal direction, what is the contact force due to the floor acting on the suitcase
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