Interference in Thin Films

JEE Main Physics · Wave Optics · 2 questions, latest first

• A thin transparent film with refractive index 1.4, is held on circular ring of radius 1.8 cm. The fluid in the film evaporates…202528 January, Shift 2 · Q50
• A transparent film of refractive index, 2.0 is coated on a glass slab of refractive index, 1.45. What is the minimum thickness of…202522 January, Shift 2 · Q41