what is the speed of light in kerosene
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1.44.5 km per sec I think
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HELLO FRND
________^
speed of light in air, c = 3*108ms-1
refractive index of kerosene, nk = 1.47
vk = ?
nk = c/vk
1.47 = 3*108ms-1 /vk
1.47*vk = 3*108ms-1
vk = 3*108ms-1 / 1.47
vk = 3*108ms-1* 100/ 147
vk = 108ms-1*100 / 49
vk = 108ms-1*2.04
----> vk = 2.04*108ms-1
________^
speed of light in air, c = 3*108ms-1
refractive index of kerosene, nk = 1.47
vk = ?
nk = c/vk
1.47 = 3*108ms-1 /vk
1.47*vk = 3*108ms-1
vk = 3*108ms-1 / 1.47
vk = 3*108ms-1* 100/ 147
vk = 108ms-1*100 / 49
vk = 108ms-1*2.04
----> vk = 2.04*108ms-1
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