1.

A prism ‘X’ and another ‘Y’ are kept in contact with their refracting angles placed opposite to each other as shown in fig. White light is incident on the combination from the left. Column-I described some situation. Match Column-I with the possible out-comes given in Column-II Column IColumn II(P)The prisms are made of same material and their refracting(1) No deviation,No dispersionangles are equal,ie.,A=A′.The combination will cause(Q)The prisms are made of same material and their refractingangles are not equal,i.e.,A≠A′.The combination will(2) No deviation,Dispersion happenscause.(R)The prisms are made of different material and theirrefracting angles are equali.e.A=A′.Also the quantityμv−μg has different values for the two prisms. Here(3)No dispersion,deviation happensμv and μg are the refractive indices for violet and redcolours.The combination will cause.(S)The prisms are made of different materials and theirrefracting angles are unequal,i.e,A≠A′.AlsoAA′=−(μ′−1)μ−1, where μ is the refractive index for the(4) Both deviation and dispersion happensmean wavelength (yellow) for prism X while μ is thecorresponding value for prism Y.The combination willcause.

Answer» A prism ‘X’ and another ‘Y’ are kept in contact with their refracting angles placed opposite to each other as shown in fig. White light is incident on the combination from the left. Column-I described some situation. Match Column-I with the possible out-comes given in Column-II

Column IColumn II(P)The prisms are made of same material and their refracting(1) No deviation,No dispersionangles are equal,ie.,A=A.The combination will cause(Q)The prisms are made of same material and their refractingangles are not equal,i.e.,AA.The combination will(2) No deviation,Dispersion happenscause.(R)The prisms are made of different material and theirrefracting angles are equali.e.A=A.Also the quantityμvμg has different values for the two prisms. Here(3)No dispersion,deviation happensμv and μg are the refractive indices for violet and redcolours.The combination will cause.(S)The prisms are made of different materials and theirrefracting angles are unequal,i.e,AA.AlsoAA=(μ1)μ1, where μ is the refractive index for the(4) Both deviation and dispersion happensmean wavelength (yellow) for prism X while μ is thecorresponding value for prism Y.The combination willcause.



Discussion

No Comment Found

Related InterviewSolutions