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A and B, are located at the similar distance from the observation screens. Light with the similar wavelength λ is used for each. The separation between adjacent principal maxima for grating A is 2.7cm, and for grating B it is 3.2 cm. Grating A has 1592 lines perimeter. How many lines per meter does grating B have? (Hint: The diffraction angles are small sufficient that the approximation sin(θ) ~ tan(θ) can be used.)
A beam of sunlight encounters a plate of crown glass at a 36.50° angle of incidence. Find the angle between the violet ray and the red ray
A research submarine has a 20-cm-diameter window that is 8.0cm thick. What is the submarine's maximum safe depth in salt water
You notice a group of children beside the ramp. One has a 2 kg rock tied to the end of a string that is 3 m long, What will happen if the string breaks? why?
A piece of charcoal used for cooking is found at the remains of anancient campsite. compute the age of the charcoal
Near the surface of the Earth a block of mass M is sliding down an incline with angle thetha = 30degress, what maximum height H will the block reach
At t=0 a grinding wheel has an angular velocity of 24.20 rad/s. It has a constant angular acceleration of 24.2 rad/s^2 until a circuit breaker trips at t = 1.2 seconds.
A mass (3kg) on a string lies on a horizontal frictionless surface tied to a central point. How fast can the mass move around the circle without breaking the string
Springs, having stiffness k, 2k, 4k, 8k, 16k, and so on are tied in series. Find the effective stiffness of the system.
At a given instant the current and self-induced emf in an inductorare directed as indicated in the figure 30-63. The induced emf is23 V and the rate of change of the current is 24 kA/s; find the inductance in henrys.
A mini-fridge needs to maintain a temperature of 277 K. The air outside the mini-fridge has a temperature of 292 K. What is the power output (that is, the work done per second) of the compressor in the mini-fridge
An electron and a proton are initially very far apart (effectively an infinite distance apart). They are then brought together to form a hydrogen atom, in which the electron orbits the proton at an average distance of 5.40 10-11 m. What is EPEfina..
What is the average angular velocity of the Earth around the sun, Assume a circular counterclockwise orbit, and 365 days in a year
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