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Two diffraction gratings, A and B, are located at the similar distance from the observation screens. Light with the same wavelength λ is utilized for each. The separation among adjacent principal maxima for grating A is 2.7cm, and for grating B it is 3.2 cm. Grating A has 1592 lines permeter. How many lines per meter does grating B have? (Hint: The diffraction angles are small enough that the approximation sin (θ) ~ tan(θ) can be utilized.)
Ground beef may be irradiated with high-energy electrons from a linear accelerator to kill pathogens. In a standard treatment, 2.0 kg of beef receives 4.5 kGy of radiation in 48 s. (A) How much energy is deposited in the beef in kJ? (B) What is the a..
A construction worker uses a steel tape to measure the length of an aluminum support column. what is the measured length when the temperature rises to 29.4°C
a 1.5-kg object is attached to an ideal massless spring with a spring constant of 20 nN/M OSCILLATES on horizontal, Find the frequency of the oscillations
Two rubber bands cause an object to accelerate with acceleration a. How many rubber bands are needed to cause an object with half the mass to accelerate five times as quickly
The carbon isotope 14-C is used for carbon dating of archeological artifacts. What is the recoil speed of the nucleus
Two protons, moving in a plane perpendicular to a uniform 510 G magnetic field, How much time elapses before they collide again
a box of mass m1kg slides 20sqrt2m down an incline plane of angle pi4 and kinetic friction is 12.what are the
A beam of light traveling in air strikes the surface of mineral oil at an angle of 20.7° with the normal to the surface. find the index of refraction of mineral oil
an electric field of intensity 3.10 knc is applied along the x-axis. calculate the electric flux through a rectangular
a certain lcd projector contains a single thin lens. an object 23.5mm high is to be projected so that its image fills a
A balsa-wood raft has the following dimensions: L=2.34m , W= 1.35m , H= 0.65m. if the mass of an average person is 72.5kg, how many people can the raft safely support
An underwater scuba diver sees the sun at an apparent angle of 45 degrees from the vertical. What is the actual direction of the sun?
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