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Which colour of light has a higher criti...

Which colour of light has a higher critical angle? Red light or Green light.

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The correct Answer is:
The critical angle of red light is higher than that of green light.
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ICSE-REFRACTION OF LIGHT AT PLANE SURFACES-EXERCISE-4(D)
  1. Name two factors which affect the critical angle for a given pair of m...

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  2. The critical angle for glass-air is 45^(@) for the light of yellow col...

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  3. Which colour of light has a higher critical angle? Red light or Green ...

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  4. (a) What is total internal reflection ? (b) State two conditions nec...

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  5. Fill in the blanks: Q: Total internal reflection occurs only when a ...

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  6. Fill in the blanks: Q: Critical angle is the angle of in denser medi...

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  7. State whether the following statement is true or false ? If the angle ...

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  8. The refractive index of air with respect to glass is expressed as ""(g...

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  9. Figure alongside shows two rays A and B travelling from water to air. ...

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  10. Figure shows a point source P inside a water container. Three rays A,B...

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  11. In figure, PQ and PR are the two light rays emerging from an object P....

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  12. The refractive index of glass is 1*5 from a point P inside a glass sla...

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  13. A ray of light enters a glass slab ABCD as shown in figure and strikes...

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  14. What is a total reflecting prism ? State three actions that it can pro...

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  15. Show with the help of a diagram how a total reflecting prism can be us...

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  16. A ray of light XY passes through a right angled isosceles prism as sho...

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  17. Draw a diagram of a right angled isoscels prism which is used to make ...

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  18. In figure, a ray of light PQ is incident normally on the hypotenuse of...

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  19. In figure, a ray of light PQ is incident normally on the face AB of an...

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  20. Copy the diagram given below and complete the path of the light ray ti...

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