Question

activity number one: refractive index of convex lens using spherometer and auto collimation method .
Observations:
Calculations:
Result :

11 class physics practical book
Activity No:1
​

Answer 1

Answer:

Explanation:

If f1 and f2 be the focal length of glass convex lens and liquid lens and F be the focal length of their combination then,

to-find-the-refractive-index-of-a-liquid-by-using-convex-lens-and-plane-mirror-1

Liquid lens formed is a planoeconcave lens with R1= R (radius of curvature of convex lens surface), R2 =∞

to-find-the-refractive-index-of-a-liquid-by-using-convex-lens-and-plane-mirror-2

Answer 2

Explanation:

रिफ्रैक्टिव इंडेक्स आफ कन्वैक्स लेंस इज इट्स पैरामीटर एंड ऑटो कॉलिंग नेशन मेथड