If a flint lens glass of dispersive power 0.066 renders achromatic to a convex lens of…
Physics · JEE Main · NTA Exams — Optics
If a flint lens glass of dispersive power 0.066 renders achromatic to a convex lens of crown glass of focal length 60 cm and dispersive power 0.033, then its focal length is:
- \(\text { — }\)60 cm
- +60 cm
- \(\text { — }\)120 cm
- +120 cm
Answer
(C) — 120 cm
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- A thin prism of angle 5^ is placed at a distance of 10 ~cm from object. What is the distance of the image…
- A thin convergent glass lens (µ g = 1.5) has a power of + 5.0 D. When this lens is immersed in a liquid of…
- If the light is polarised by reflection, then the angle between reflected and refracted light is
- Two thin lenses of focal lengths f 1 and f 2 are placed in contact. The focal length of the complete lens is
- A concave mirror of focal length f produces an image n times the size of the object. If the image is real…
- In a double slit experiment, instead of taking slits of equal widths, one slit is made twice as wide as the…
- A small plane mirror is placed at the centre of a spherical screen of radius R. A beam of light is falling on…
- When viewed in white light, soap bubbles show colours because of