Advertisements
Advertisements
प्रश्न
A ray of light passes through a right-angled prism as shown in the figure. State the angles of incidence at the faces AC and BC.
Advertisements
उत्तर
At AC – Angle is 45°
At BC – Angle is 0°
संबंधित प्रश्न
One day Chetan’s mother developed a severe stomach ache all of a sudden. She was rushed to the doctor who suggested for an immediate endoscopy test and gave an estimate of expenditure for the same. Chetan immediately contacted his class teacher and shared the information with her. The class teacher arranged for the money and rushed to the hospital. On realizing that Chetan belonged to a below average income group family, even the doctor offered concession for the test fee. The test was conducted successfully.
Answer the following questions based on the above information:
(a) Which principle in optics is made use of in endoscopy?
(b) Briefly explain the values reflected in the action taken by the teacher.
(c) In what way do you appreciate the response of the doctor on the given situation?
Can light be ‘piped’ like sound in a doctor’s stethoscope?
If a ray of light passes from medium I to medium II without any change of direction, what can be said about the refractive indices of these media (angle I is not 0)?
The adjacent diagram shows two right-angled isosceles prisms A and B. Complete the diagram to show the path of rays P and Q emerging out of the prism B. What principles have you used to complete the diagram?
Observe the given figure and write appropriate phenomenon of light in the box.
The outer concentric shell in optic fiber is called ______.
Which of the following statements about total internal reflection is true?
What are the conditions to achieve total internal reflection?
- Assertion (A): Propagation of light through an optical fibre is due to total internal reflection taking place at the core-cladding interface.
- Reason (R): Refractive index of the material of the cladding of the optical fibre is greater than that of the core.
Name any two phenomena which take place in the formation of a rainbow.
