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प्रश्न
Name the subjective property of light related to its wavelength.
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उत्तर
The subjective property of light related to its wavelength is colour.
संबंधित प्रश्न
Explain optical centre of a lens with the help of proper diagram(s).
Distinguish between a real and a virtual image.
Study the diagram shown in the following Figure.
Name the lens LL’ and draw its outline.
Study the diagram shown in Fig. 5.56
what are the two other characteristics of the image?
(a) Draw a sketch to show how a lens is able to produce an image of the sun on a paper screen.
(b)(i) Would you regard the rays from the sun as being divergent, parallel or convergent?
(ii) What is the name given to the point where such rays meet after they have passed through the lens?
(iii) How does the image of the sun sometimes burn a paper screen?
How will you differentiate between a convex and a concave lens by looking at a distant object.
State the nature and position of the object on the principal axis to obtain a real and magnified image.
Complete the following diagram and state what happens to the ray of light after refraction through the lens.
