Buy us a coffee

Refraction and lenses; the lens formula

Optics

Open to everyone. Sign in and this lesson counts on your paper's progress.यह lesson सबके लिए खुला है। sign in करने पर यह आपके paper की progress में गिना जाता है।

Choose a teacherआप इनमें से किसी एक teacher का video चुनें। एक video काफ़ी है।

4 teachers' videos for this topic. You only need one. Nobody at YUNOVA has watched them yet; they were found by title, channel and length.

  • PHYSICS with Umesh Rajoria

    Lens formula for Convex & Concave lens | Ray Optics | 12th Physics Term 2 #cbse

    • 12 min video
    • Suggested first
    • Not reviewed yet
  • Physics Wallah - Alakh Pandey

    Ray Optics 16 : Lens - Introduction : It's Types , Optical Centre , Focus , Focal Length JEE/NEET

    • 54 min video
    • Not reviewed yet
  • Physics Wallah - Alakh Pandey

    Ray Optics 18 : Lens Maker's Formula - Derivtion and All Types of Numericals JEE/NEET

    • 69 min video
    • Not reviewed yet
  • Physics Wallah - Alakh Pandey

    Ray Optics 15 : Refraction from Spherical Surfaces - Formula - Derivation and Numericals JEE/NEET

    • 77 min video
    • Not reviewed yet

Recommended marks a teacher on this paper's shortlist. Suggested first only means it is listed first. Neither is a verdict on the video.

by PHYSICS with Umesh Rajoria · Not reviewed yet · Watch on YouTube · Report this video

Nobody at YUNOVA has watched these lessons yet. They were found by searching YouTube and reading each result's title, channel and length. Syllabus tracking shows what you have covered, not how ready you are; it never predicts your exam result.

Topics in this chapterइस chapter के topics

Opened means you opened the lesson page. It does not mean you watched or understood it.Opened का मतलब है कि आपने lesson का page खोला। इसका मतलब यह नहीं कि आपने उसे देखा या समझा।

Next topicअगला topic

Prism and dispersion

Back to the paperpaper पर वापस जाएँ

Pick another chapter or topic from the paper.paper में से कोई और chapter या topic चुनें।

Source of this chapterयह chapter कहाँ से लिया गया

NTA, JEE (Main) 2026 syllabus, Paper 1 (B.E./B.Tech.). Chapter headings are the authority's; topic lines are YUNOVA's reading order.

Suggest another video

Write the video's title and the teacher or channel. Please do not paste links or add contact details.

YUNOVA organises freely available YouTube lessons. We do not own these videos or their content.YUNOVA, YouTube पर free मिलने वाले lessons को क्रम में रखता है। ये videos और उनकी सामग्री हमारी नहीं हैं।