Light of wavelength $550 \mathrm {~nm}$ in air is found to travel at $1.96 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s }$ in a certain liquid. ( $c$ $= 3.0 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s }$ )
(a) What is the index of refraction of this liquid?
(b) What is the frequency of the light in air?

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The Answer of Light of wavelength $550 \mathrm {~nm}$ in air is found to travel at $1.96 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s }$ in a certain liquid. ( $c$ $= 3.0 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s }$ )
(a) What is the index of refraction of this liquid?
(b) What is the frequency of the light in air?

Light of Wavelength 550 nm550 \mathrm {~nm}550 nm In Air Is Found to Travel At

Light of Wavelength $550 \mathrm {~nm}$ In Air Is Found to Travel At