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Physics-

General

Easy

Question

In the figure, the value of resistance to be connected between C and D so that the resistance of the entire circuit between A and B does not change with the number of elementary sets used is

R
$R (\sqrt{3} - (A)$
3R
$R (\sqrt{3} + (A)$

The correct answer is: $R left parenthesis square root of 3 minus left parenthesis A right parenthesis$

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The figure shows the interference pattern obtained in a double–slit experiment using light of wavelength 600nm.

The third order bright fringe is

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The optical path length followed by ray from point A to B given that laws of reflection are obeyed as shown in figure is

The optical path length followed by ray from point A to B given that laws of reflection are obeyed as shown in figure is

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The optical path length followed by ray from point A to B given that laws of refraction are obeyed as shown in figure

The optical path length followed by ray from point A to B given that laws of refraction are obeyed as shown in figure

physics-General

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 $blank to the power of ´ end exponent theta to the power of ´ end exponent$ as 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

The y-coordinate of the point where the total phase difference between the interefering waves is zero, is

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 $blank to the power of ´ end exponent theta to the power of ´ end exponent$ as 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

The y-coordinate of the point where the total phase difference between the interefering waves is zero, is

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Statement–1: Two point coherent sources of light S1 and S2 are placed on a line as shown. P and Q are two points on that line. If at point P maximum intensity is observed then maximum intensity should also be observed at Q

Statement–2: In the figure of statement 1, the distance |S₁ P – S₂ P| is equal to distance |S₂Q – S₁Q|.

Statement–1: Two point coherent sources of light S1 and S2 are placed on a line as shown. P and Q are two points on that line. If at point P maximum intensity is observed then maximum intensity should also be observed at Q

Statement–2: In the figure of statement 1, the distance |S₁ P – S₂ P| is equal to distance |S₂Q – S₁Q|.

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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:

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:

physics-General

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:

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:

physics-General

A parallel beam of light $left parenthesis lambda equals 5000 text Å end text right parenthesis$ is incident at an angle $alpha equals 30 to the power of ring operator end exponent$ with the normal to the slit plane in a young’s double slit experiment. Assume that the intensity due to each slit at any point on the screen is $I subscript 0 end subscript$ . Point O is equidistant from $S subscript 1 end subscript & S subscript 2 end subscript$ . The distance between slits is 1mm.

A parallel beam of light $left parenthesis lambda equals 5000 text Å end text right parenthesis$ is incident at an angle $alpha equals 30 to the power of ring operator end exponent$ with the normal to the slit plane in a young’s double slit experiment. Assume that the intensity due to each slit at any point on the screen is $I subscript 0 end subscript$ . Point O is equidistant from $S subscript 1 end subscript & S subscript 2 end subscript$ . The distance between slits is 1mm.

physics-General

parallel

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