Test Index

JEE Advanced Model Paper 5 with solutions for online practice

Answer Q.16, Q.17 and Q.18 by appropriately matching the information given in the three columns of the following table.

In column 1, set-up for Young’s double slit experiment with different combinations are indicated with slits S1 and S2. Assumethat S1 and S2 are equally wide and intensity from each slit is I0. Distance of screen from the slits is D while separation between slits S1 and S2 is d (D ≫ d). In column 2, distance of nearest maxima from O is indicated. In column 3, intensity at pointO is given. Take proper assumption if required. λ is wavelength of light in air. f is focal length of converging lens.

Column 1

Column 2

Column 3

(i)

Dλ

(P) 2I0

(ii)

Dλ

(Q) 4I0

(iii) 0

(R) 3I0

(iv)

Dλ

(S) I0

Question : 17

Total: 54

In which of the combination, change in intensity at O will be maximum if one of slits is covered by opaquesheet ?

(I) (iii) (Q)
(I) (iii) (R)
(IV) (iii) (R)
(III) (iv) (S)

Validate

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