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mica strip and a polystyrene strip are fitted on the two slits of a double slit apparatus. The thickness of the strips is 0.50 mm and the separation between the slits is 0.12 cm. The refractive index of mica and polystyrene are 1.58 and 1.55 respectively for the light of wavelength 590 nm which is used in the experiment. The interference is observed on a screen a distance one meter away,
(a) what would be the fringe-width?
(b) At what distance from the Centre will the first maximum be located?Copy and paste your question here...
A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. what is the smallest insect a bat can detect
On a friction less horizontal air table, puck A w/ mass 0.250 kg is moving towards puck B w/ mass 0.350 kg that is initially at rest. What was the speed of puck B before the collision
A spacecraft is in a circular orbit of radius 3.3*104 km arounda 1.9*1030 kg pulsar. The magnetic field of the pulsar at that radial distanceis 1.6*102 T directed perpendicular to the velocity of the spacecraft.
A man drops a baseball off of the top of the Empire State Building. If an action force is the pull of the Earth on the ball, then what is the reaction force.
the 1400 turn coil in a dc motor has an area per turn of 1.1 multiplied by 10-2 m2. the design for the motor specifies
beam of light in air is incident at an angle of 45 degrees on the surface of a transparent solid. The light is deviated by 18 degrees toward the normal upon entering the solid. What is the critical angle for total internal reflection from within t..
(i) What is the population of interest for this survey? (ii) What is the sample? From what group is information actually obtained?
You spray your sister with water from a garden hose. The water is supplied to the hose at a rate of 0.147 liters per second, At what speed does the water exit the nozzle
Find the x- and y-coordinates of the center of gravity of a 4.00 ft by 8.00 ft uniform sheet of plywood with the upper right quadrant removed as shown in the figure below. The dimensions of the cutout are a = 4.10 ft and b = 2.10 ft. HINTS: Think ..
The Van der Waals constants for carbon monoxide are a=1.4541 dm^6 mol^-1. Using the hybrid hard-sphere/r^-6 potential, estimate values for the hard-sphere molecular radius \(\sigma/2\) and the \(c_{6}\) value characterizing the attractive tail of ..
The atomic planes in a crysral are spaced d = 0.50 nm apart. These planes are used in a diffraction experiment with X-rays with ? = 0.05 nm. What are the diffraction angles for the first three bright fringes
q1. a calculate the magnitude of the gravitational force exerted by venus on an 80 kg human standing on the surface of
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