122 past-paper questions on Ray Optics and Optical Instruments from ISC Class 12 Physics papers (2027-2018), newest first, in full. Questions 101-120 are on this page, 20 to a page. Tap "Show answer" under a question to see its answer.
Nothing matches. Try fewer letters.
Solve the following.
No answer yet.
Answer in one word.
No answer yet.
Solve the following.
No answer yet.
Answer the following.
No answer yet.
Answer the following.
No answer yet.
Solve the following.
No answer yet.
Answer the following.
No answer yet.
Solve the following.
No answer yet.
Derive the following.
No answer yet.
Derive the following.
To show: $\frac{n_2}{v} - \frac{n_1}{u} = \frac{n_2 - n_1}{R}$
No answer yet.
Solve the following.
No answer yet.
Choose the correct option.
No answer yet.
Derive the following.
To show: $R = 2f$
No answer yet.
Derive the following.
To show: $m = \frac{V_o}{U_o}\left(1 + \frac{D}{f_e}\right)$
No answer yet.
Draw the following.
Draw: ray diagram completing the path of light ray incident on the glass-air interface at critical angle 42°
No answer yet.
Differentiate between the following.
No answer yet.
Answer the following.
Draw: ray diagram of an image formed by a refracting telescope with final image formed at infinity
Must show: Objective lens of large aperture and focal length, Eyepiece of small aperture and focal length, Parallel rays from distant object forming intermediate real inverted image at focus Fo, Final image formed at infinity (Fe coincides with Fo)
No answer yet.
Derive the following.
To show: $\frac{1}{F} = \frac{1}{f_1} + \frac{1}{f_2}$
No answer yet.
Choose the correct option.
No answer yet.
Solve the following.
No answer yet.