Question:medium
A thin convergent glass lens (= 1.5) has a power of +5.0 D. When this lens is immersed in a liquid of refractive index μ, it acts as a divergent lens of focal length 100 cm. The value of μ must be:
A thin convergent glass lens (= 1.5) has a power of +5.0 D. When this lens is immersed in a liquid of refractive index μ, it acts as a divergent lens of focal length 100 cm. The value of μ must be:
Show Hint
A converging lens can behave as diverging if surrounding medium has higher refractive index.
Updated On: Mar 18, 2026
- (4)/(3)
- (5)/(3)
- (5)/(4)
- (6)/(5)
Show Solution
The Correct Option is B
Solution and Explanation
Was this answer helpful?
0
Top Questions on Ray optics and optical instruments
- In an equilateral prism the path of a ray is shown in the figure. Determine the refractive index of the prism.
- JEE Main - 2026
- Physics
- Ray optics and optical instruments
- If the refractive index of a prism with small prism angle is 1.6 and angle of minimum deviation is 2.4. Then prism angle of prism is ______.
- GUJCET - 2026
- Physics
- Ray optics and optical instruments
- Find the value of angle of emergence for a emergent ray from the prism in the figure given below (assume a ray entering a $60^\circ$ equilateral prism at a specific angle). (refractive index $\mu = \sqrt{3}$ and air $\mu = 1$).
- GUJCET - 2026
- Physics
- Ray optics and optical instruments
- Two thin convex lenses of focal length $f_1$ and $f_2$ are placed in contact with each other. The equivalent power of the lens combination is ______.
- GUJCET - 2026
- Physics
- Ray optics and optical instruments
- Want to practice more? Try solving extra ecology questions todayView All Questions