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If the distance d is varied, then identify the correct statement
- a)The angular width does not change
- b)The fringe width changes in inverse proportion
- c)The positions of all maxima change
- d)The positions of all minima change
Correct answer is option 'B,D'. Can you explain this answer?
Most Upvoted Answer
If the distance d is varied, then identify the correct statementa)The ...
Explanation:
When the distance between the slits and the screen is varied, the following changes occur in the interference pattern:
B. Fringe width changes in inverse proportion:
The fringe width is given by the equation:
w = λD/d
Where w is the fringe width, λ is the wavelength of the light, D is the distance between the slits and the screen, and d is the distance between the slits. As the distance D is varied, the fringe width changes in inverse proportion to D. This means that if D is increased, the fringe width will decrease and vice versa.
D. Positions of all minima change:
The positions of the minima in the interference pattern are given by the equation:
y = nλD/d
Where y is the distance from the central maximum to the nth minimum, n is the order of the minimum, and λ, D, and d are the same as before. As the distance D is varied, the positions of all the minima will change. If D is increased, the distance between the minima will increase and vice versa.
Therefore, the correct statements are B and D.
When the distance between the slits and the screen is varied, the following changes occur in the interference pattern:
B. Fringe width changes in inverse proportion:
The fringe width is given by the equation:
w = λD/d
Where w is the fringe width, λ is the wavelength of the light, D is the distance between the slits and the screen, and d is the distance between the slits. As the distance D is varied, the fringe width changes in inverse proportion to D. This means that if D is increased, the fringe width will decrease and vice versa.
D. Positions of all minima change:
The positions of the minima in the interference pattern are given by the equation:
y = nλD/d
Where y is the distance from the central maximum to the nth minimum, n is the order of the minimum, and λ, D, and d are the same as before. As the distance D is varied, the positions of all the minima will change. If D is increased, the distance between the minima will increase and vice versa.
Therefore, the correct statements are B and D.
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