A microscope is focused on a mark on a table, when the mark is covered by a plate of glass 2m thick, the microscope has to be raised 0.67cm for the mark to be once more in focus. Calculate the refractive index.

by Sunday | Jan 4 | Physics WAEC | 0 comments

A. 1.52
B. 1.68
C. 2.58
D. 1.82

Correct Answer: Option A

A. 1.52

Users Also Read These:

$If the refractive index of crown glass is 1.51; its critical angel is?$
If the refractive index of crown glass is 1.51; its…
$A ray of light travelling from glass into ethyl alcohol is incident at the boundary at an angle of incidence 30°. Calculate the angle of refraction. [Refractive index of glass =1.5; refractive index of ethyl alcohol = 1.36]$
A ray of light travelling from glass into ethyl…
$A to eater to glass to air to water to glass to air. Given that the refractive index for light passing from air to water is 4/3 and air to glass is 3/2, calculate the refractive index of glass relative to water.$
A to eater to glass to air to water to glass to air.…
A glass plate 0.9cm thick has a reflective index of…
$The refractive index of a material is 1.5. Calculate the critical angle at the glass-air interface?$
The refractive index of a material is 1.5. Calculate…