IIT JEE : Ray Optics And Optical Instruments QUESTIONS AND ANSWERS :: part1 : 1 to 5
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
1.Mark the correct option.An object is placed 40 cm away from a concave mirror of focal length 20 cm. The image formed is: |
| real, inverted and same in size |
| real, inverted and smaller |
| virtual, erect and larger |
| virtual erect and smaller |
2.A boy of length 10m, to see his own complete image, requires a mirror of length at east equal to: |
| 10/4 |
| 10/3 |
| 10/2 |
| 10 |
3.Mark the correct option in impure spectrum. |
| Order of colours is reverse |
| Order of colours is irregular |
| Colours are overlapped |
| No colour is present |
4.Mark the correct option of source which is associated with a line emission spectrum. |
| Electric fire |
| Neon street sign |
| Red traffic light |
| Sun |
5.Light of different colours propagates through air: |
| with velocity of air |
| with different velocities |
| with velocity of sound |
| with equal velocity |
More Ray Optics And Optical Instruments QUESTIONS AND ANSWERS available in next pages
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