The separation between successive fringes in a double slit arrangement is x. If the whole arrangement is dipped under water, what will be the new fringe separation? The wavelength of light being used is 5000 mathringA ]

Question

The separation between successive fringes in a double slit arrangement is x. If the whole arrangement is dipped under water, what will be the new fringe separation? The wavelength of light being used is 5000 mathringA ] (A) 1.5 x (B) x (C) 0.75 x (D) 2 x

Tardigrade Admin · Accepted Answer

When the arrangement is dipped in water, β'=(β/μ)=(x/4 / 3)=(3/4) x=0.75 x

Q. The separation between successive fringes in a double slit arrangement is $x$ . If the whole arrangement is dipped under water, what will be the new fringe separation? The wavelength of light being used is $5000 \overset{˚}{A}$ ]

1.5 x

x

0.75 x

2 x

When the arrangement is dipped in water,
$β^{'} = \frac{β}{μ} = \frac{x}{4/3} = \frac{3}{4} x = 0.75 x$

Q. The separation between successive fringes in a double slit arrangement is x. If the whole arrangement is dipped under water, what will be the new fringe separation? The wavelength of light being used is 5000A˚ ]

1.5 x

x

0.75 x

2 x

When the arrangement is dipped in water, β′=μβ​=4/3x​=43​x=0.75x

Q. The separation between successive fringes in a double slit arrangement is $x$ . If the whole arrangement is dipped under water, what will be the new fringe separation? The wavelength of light being used is $5000 \overset{˚}{A}$ ]

When the arrangement is dipped in water,
$β^{'} = \frac{β}{μ} = \frac{x}{4/3} = \frac{3}{4} x = 0.75 x$