Topics tagged the-colourful-world

Topic	Views	Activity
Explain giving reason why the sky appears blue to an observer from the surface of the Earth CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	2903	March 17, 2018
Why does it take sometime to see objects in a dim room when you enter the room from bright sunlight outside? CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	655	March 17, 2018
What is meant by scattering of light? Use this phenomenon to explain why the clear sky appears blue or the sun appears reddish at sunrise CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	8258	March 17, 2018
What is meant by ‘persistence of vision’? We are able to see the movie picture in a cinema hall. How does this happen? CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	2158	March 17, 2018
What is astigmatism? What causes astigmatism? How is astigmatism corrected? CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	3677	March 17, 2018
What is presbyopia? What causes presbyopia? How is presbyopia corrected? CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	4049	March 17, 2018
Name the four parts labelled as 1,2, 3 and 4 in the given diagram. At which place is the image of an object formed? CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	1746	March 17, 2018
How will you use the two identical prisms so that a narrow beam of white light incident on one prism emerges out of the second prism as white light? CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	6035	March 17, 2018
Why do different rays deviate differently in the prism? CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	5729	March 17, 2018
What is the cause of dispersion? CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	6687	March 17, 2018
What is meant by dispersion of white light? Name the various colours of spectrum of white light in proper sequence CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	1491	March 17, 2018
Why are ‘danger’ signal lights red in colour? CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	1667	March 17, 2018
Why there is no dispersion of light refracted through a rectangular glass slab? CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	6243	March 17, 2018
What is colour-blindness? What kind of retinal cells are lacking in person suffering from this defect? CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	2905	March 17, 2018
How do we see the colours? CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	4747	March 17, 2018