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A ray of light enters a rectangular glass slab from air at an angle of 40 degrees to the normal. If the refractive index of glass with respect to air is 1.5 and the velocity of light in air is 3 x 10 8 m/s, what is the velocity of light inside the glass slab?
2.25 x 10 8 m/s
2 x 10 8 m/s
2.5 x 10 8 m/s
1.5 x 10 8 m/s Question ID : 4410092046382 Option 1 ID : 4410098057597 Option 2 ID : 4410098057598 Option 3 ID : 4410098057599 Option 4 ID : 4410098057600 Status : Answered Chosen Option : B
2 x 10 8 m/s
Practice and solve "A ray of light enters a rectangular glass slab from air at an angle of 40 degrees to the normal. If ..." for General Science - Previous Year Paper 2026. The correct answer is Option B: 2 x 10 8 m/s. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A ray of light enters a rectangular glass slab from air at an angle of 40 degrees to the normal. If ..." for General Science - Previous Year Paper 2026. The correct answer is Option B: 2 x 10 8 m/s. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.