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प्रश्न
When a ray of light enters a prism, it bends ______ the normal; as it leaves the prism, it bends ______ the normal.
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उत्तर
When a ray of light enters a prism, it bends towards the normal; as it leaves the prism, it bends away from the normal.
संबंधित प्रश्न
A narrow beam PQ of white light is passing through a glass prism ABC as shown in the diagram.
Trace it on your answer sheet and show the path of the emergent beam as observed on the screen DE.
(i) Write the name and cause of the phenomenon observed.
(ii) Where else in nature is this phenomenon observed?
(iii) Based on this observation, state the conclusion which can be drawn about the constituents of white light.
After tracing the path of a ray of light through a glass prism a student marked the angle of incidence (∠i), angle of refraction (∠r) angle of emergence (∠e) and the angle of deviation (∠D) as shown in the diagram. The correctly marked angles are :
(A) ∠i and ∠r
(B) ∠i and ∠e
(C) ∠i, ∠e and ∠D
(D) ∠i, ∠r and ∠e
Draw a ray diagram to explain the term angle of deviation.
Make two diagrams to explain refraction and dispersion.
Complete the ray diagram given below to show the nature of light produced on the screen.
Make the correct choice for each of the following:
Which one of the following Fig correctly shows the path of the ray through the glass block?
What do you understand by spectrum? Name the seven prominent colours in order, as obtained in the spectrum of white light.
______ colour is deviated the least in the spectrum of white light obtained with a glass prism.
