10th Standard Syllabus & Materials
10th Standard
TN 10th English Prose - 4 - The Attic Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Supplementary - 3 - The Story of Mulan Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Poem - 3 - I am Every Woman Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Prose - 3 - Empowered Women Navigating The World Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Supplementary - 2 - Zigzag Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Poem - 2 - The Grumble Family Important Questions And Answers Study Material - QB365 Set A
Published on: 13/05/2022
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latest Book back QuestionsDownload Tamil Nadu 10th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
Why does the sky appear in blue colour?
2.
What is power of accommodation of eye?
3.
State Rayleigh’s law of scattering.
4.
Draw a ray diagram to show the image formed by a convex lens when the object is placed between F and 2F.
5.
What is refractive index?
1.
(i) When sunlight passes through the atmosphere the blue colour (shorter wavelength) is scattered to a greater extent than the red colour (longer wavelength).
(ii) This scattering causes the sky to appear in blue colour.
2.
The ability of the eye lens to focus nearby as well as the distant objects is called power of accommodation of the eye.
3.
Rayleigh's scattering law states that "The amount of scattering of light is inversely proportional to the fourth power of its wavelength.
Amount of scattering \(\text { 's' } \propto \frac{1}{\lambda^{4}}\)
4.
5.
The ratio of speed of light in vacuum (c) to the speed of light in a medium (v) is defined as refractive index (μ) of that medium.
\(\mu=\frac{c}{v}\)
10th Standard Syllabus & Materials
10th Standard
TN 10th English Prose - 2 - The Night the Ghost Got in Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Poem - 1 - Life Important Questions And Answers Study Material - QB365 Set A
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Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
