Topics tagged the-colourful-world

Topic	Replies	Views	Activity
In the given figure, a narrow beam of white light is shown to pass through a triangular glass prism. After passing through the prism it produces a spectrum XY on a screen CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	2	16805	December 8, 2019
(a) A student suffering from myopia is not able to see distinctly the objects placed beyond 5m CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	1089	April 3, 2019
(a) Draw a ray diagram to explain the term angle of deviation CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	17779	April 3, 2019
1. Which defect of vision is Akshay suffering from? Which type of lens is used to correct this defect CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	1575	April 3, 2019
(i) defect of vision and also CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	1263	April 3, 2019
(a) What is dispersion of white light. What is the cause of such dispersion CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	1532	April 3, 2019
Why is the normal eye unable to focus on an object placed within 10 cm from the eye? CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	1956	April 3, 2019
(a) Give reason for the following: (i) Colour of the clear sky is blue CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	1700	April 3, 2019
Name the four common defects of vision and state the cause of each defect CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	843	April 3, 2019
1. Name the defect of vision he is suffering from CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	2412	April 3, 2019
1. Explain how we see different colours of an object CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	2357	April 3, 2019
State the cause of dispersion of white light passing through a glass prism CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	3127	April 3, 2019
What is meant by scattering of light? CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	13038	April 3, 2019
With the help of a labelled diagram, explain why the Sun appears reddish at the Sun-rise and the sun-set CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	6022	April 3, 2019
Why does the Sun seem to rise two minutes before the actual sunrise CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	2583	April 3, 2019
Explain giving reason why the sky appears blue to an observer from the surface of the earth? CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	811	April 3, 2019
State the difference in colour of the sun observed during sunrise/sunset and noon. Give explanation for each CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	1547	April 3, 2019
An old man cannot see objects closer than lm from the eye clearly CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	1368	April 3, 2019
Explain why the planets do not twinkle but the stars twinkle CBSE Class 10 Science class-10-science , the-human-eye , the-colourful-world	1	2787	April 3, 2019
With the help of an activity show the blue colour of the sky and the reddish appearance of the sun at the sunrise or sunset CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	0	6650	March 17, 2018
What is dispersion of white light? What is the cause of dispersion? Draw a diagram to show the dispersion of white light by a glass prism CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	0	33186	March 17, 2018
What is myopia? State the two causes of myopia CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	0	24786	March 17, 2018
What is hypermetropia? Write two causes for development of this defect CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	0	8774	March 17, 2018
State the function of each of the following parts of the human eye: CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	0	2163	March 17, 2018
How are we able to see nearby and also distant objects clearly? CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	0	1930	March 17, 2018
A person needs a lens of power - 4.5 D for correction of her vision CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	0	3161	March 17, 2018
How does atmospheric refraction affect sunrise and sunset? CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	0	3998	March 17, 2018
Describe the formation of rainbow in the sky with the help of a diagram CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	0	4553	March 17, 2018
What is Tyndall effect? Explain with an example CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	0	6185	March 17, 2018
Why is the colour of sky blue? CBSE Class 10 Science cbse , cbse-class10-science , the-human-eye , the-colourful-world	0	1548	March 17, 2018