Determine the power of the transmitted beam
A laser beam of 6.0 mW consists of its electric field vertical.
When it passes via a polarizer with its transmission axis at 30^\circ to the vertical, determine the power of the transmitted beam?
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The sodium lamp employed to calibrate a diffraction grating exhibits the first-order sodium line at 26.0 degrees from the central maximum. i) Determine the angular position of the first spectral line in the hydrogen.
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A researcher would like to determine if a specific breathing training will reduce the number of asthma attacks for chronic sufferers. For a week prior to the training, each subject records the number of attacks.
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A block of 3.1 kg is traveling in the -x direction at 5.1 m/s and a 0.9 kg block is traveling in the +x direction at 3.1 m/s. (i) Determine the velocity vcm of the center of mass.
The intensity of the 0 (zero) order fringe is around 2800 and the intensity of first order fringe is 2500, distance to the first order fringe from the 0 order fringe is 0.015 m. Determine the wavelength of the light falling on the slits.
A projection lens in a slide projector is a single lens. A slide 24 mm high is to be projected in such a way that its image fills a screen 1.80 m high. The lens to screen distance is 3 m. Find out the required focal length of the projection lens.
A child of 50.6 is standing on the outer edge of the merry-go-round that consists of moment of inertia 558 and radius 2.40. The whole system is primarily rotating at 0.180. Determine the angular velocity when the child moves to a final position 1.
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