Saved Bookmarks
| 1. |
In an experiment on tracing the path of a ray of light through a rectangular glass slab, four students A, B, C and D used the following values of the angle of incidence and the distance between the feet of the two pins (fixed on the incident rays):(A) 30°, 45°, 60° and 1 cm(B) 30°, 45°, 60° and 6 cm(C) 20°, 50°, 80° and 10 cm(D) 20°, 50°, 80° and 15 cmOut of these, the best choice is that of the student:(1) A(2) B(3) C(4) D |
|
Answer» In an experiment on tracing the path of a ray of light through a rectangular glass slab, four students A, B, C and D used the following values of the angle of incidence and the distance between the feet of the two pins (fixed on the incident rays): (A) 30°, 45°, 60° and 1 cm (B) 30°, 45°, 60° and 6 cm (C) 20°, 50°, 80° and 10 cm (D) 20°, 50°, 80° and 15 cm Out of these, the best choice is that of the student: (1) A (2) B (3) C (4) D |
|