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An echelette or blazed grating has 450 lines per centimeter and is ruled for the concentration of infrared light of wavelength 5.0 µm in the second order (i.e. where the diffraction peaks).
Find
(a) the angle of the ruled faces to the plane of the grating?
A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that the bushel contains abou..
The solution to Bernoulli's equation, The construction of a flat rectangular roof (3.9 m x 4.3 m) allows it to withstand a maximum net outward force of 20050 N.
A metal bar with a resistance of 30 ohms is rotated around its center in a magnetic field of strength 0.5 T, what is the electrical power dissipated in the resistor
Light is incident on a slit 0.750 mm wide. On a screen 2.00 m away, the distance from the central maximum to the first minimum is 1.35 mm. compute the wavelength of the light.
A pendulum of mass 0.25 kg and length L= 1.0 m is attached to a line which is fixed at point P, determine the force of tension in the line
If the particle is released from rest at the midpoint C, s=100mm, and the acceleration is measured as a= (4s) m/s2 , where s is in meters, evaluate the velocity of the particle when it reaches plate B, s=200mm, and the time it needs to travel C to ..
Calcium has a work function of 2.8 eV. If light of frequency 4.3 1015 Hz strikes the surface of calcium, what is the energy of the ejected electrons
A football player carrying the ball runs straight ahead at the line of scrimmage and directly into a wall of defensive linemen. Find the magnitude and direction of his average acceleration
It's possible to estimate the percentage of fat in the body by measuring the resistance of the upper leg rather than the upper arm; What are the fractions of muscle and fat in the leg
A uniform line of charge that is 20.0 cm long has a total charge of -6.00 ?C. What is the electrostatic force on the electron
Calculate the work done by the electric field force on an electron when the electron moves from point O, where the potential is -30.0 V, to point F,
The electric field at point P just outside the outer surface of a hollow spherical conductor of inner radius 10 cm and outer radius 20 cm has magnitude 445 N/C, what is the charge on the inner surface of the conductor
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