Physics-
General
Easy

Question

The effective resistance across the points A and I is

  1. 2 capital omega    
  2. 1 capital omega    
  3. 0.5 capital omega    
  4. 5 capital omega    

The correct answer is: 1 capital omega

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In the figure an arrangement of young's double slit experiment is shown. A parallel beam of light of wavelength blank to the power of ´ end exponent lambda to the power of ´ end exponent (in medium n subscript 1 end subscript ) is incident at an angle blank to the power of ´ end exponent theta to the power of ´ end exponentas shown. Distance S subscript 1 end subscript O equals S subscript 2 end subscript O. Point 'O' is the origin of the coordinate system. The medium on the left and right side of the plane of slits has refractive index n subscript 1 end subscript and n subscript 2 end subscript respectively. Distance between the slits is d. The distance between the screen and the plane of slits is D Using D equals 1 m comma d equals 1 m m comma theta equals 30 to the power of ring operator end exponent comma lambda equals 0.3 m m comma n subscript 1 end subscript equals fraction numerator 4 over denominator 3 end fraction comma n subscript 2 end subscript equals fraction numerator 10 over denominator 9 end fraction comma answer the following

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In an interfrence arrangement similar to Young's double- slit experiment, the slits S subscript 1 end subscript & S subscript 2 end subscript are illuminated with coherent microwave sources, each of frequency 106 Hz. The sources are synchronized to have zero phase difference. The slits are separated by a distance d = 150.0 m and screen is at very large distance from slits. The intensity I(q) is measured as a function of theta, where theta is defined as shown. Screen is at a large distance. If I subscript 0 end subscript is the maximum intensity then I (theta) for 0 less or equal than theta less or equal than 90 to the power of ring operator end exponent is given by:

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In an interfrence arrangement similar to Young's double- slit experiment, the slits S subscript 1 end subscript & S subscript 2 end subscript are illuminated with coherent microwave sources, each of frequency 106 Hz. The sources are synchronized to have zero phase difference. The slits are separated by a distance d = 150.0 m and screen is at very large distance from slits. The intensity I(q) is measured as a function of theta, where theta is defined as shown. Screen is at a large distance. If I subscript 0 end subscript is the maximum intensity then I (theta) for 0 less or equal than theta less or equal than 90 to the power of ring operator end exponent is given by:

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