The size of the images of an object, formed by a thin lens are equal when the object is placed at two different positions and from the lens. The focal length of the lens is _____ cm.
NVAEasyJEE Main 2026 · 23 January, Shift 2Refraction & Lenses
Physics Question from JEE Main 2026 · 23 January, Shift 2
Answer & step-by-step solution
Sign in to reveal the correct answer, the full step-by-step solution, and the common mistakes for this question.
Practice more Refraction & Lenses questions
Get unlimited AI-adaptive practice, mastery tracking, and an AI tutor that explains every step - free to start.
Related questions
- A parallel beam of light travelling in air (refractive index 1.0) is incident on a convex spherical glass…Medium · JEE 2026
- The wavelength of light while it is passing through water is 540 nm. The refractive index of water is 4/3.…Easy · JEE 2026
- Five persons P₁, P₂, P₃, P₄ and P₅ recorded object distance u and image distance v using same convex lens…Easy · JEE 2026
- The magnitudes of power of a biconvex lens (refractive index 1.5) and that of a plano-concave lens…Medium · JEE 2026
- A convex lens of refractive index 1.5 and focal length f=18 cm is immersed in water. The difference in focal…Medium · JEE 2026
- A biconvex lens is formed by using two plano-convex lenses as shown in the figure. The refractive index and…Medium · JEE 2026