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Asked: January 1, 2021In: Class 10 Science

What do you understand by dispersion of light.

NCERT Solutions for Class 10 Science Chapter 11 Important Board Questions Human Eye and Colourful World NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Questions Questions No: 6

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Asked: January 1, 2021In: Class 10 Science

An object is placed at a distance of 15 cm from a concave lens of focal length 30 cm. List four characteristic (nature, position, etc.) of the image formed by the lens.

NCERT Solutions for Class 10 Science Chapter 10 Important Board Questions Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board 3 Marker Questions Questions No: 10

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Asked: January 1, 2021In: Class 10 Science

What is meant by power of a lens? Write its SI unit. A student uses a lens of focal length 40 cm and another of –20 cm. Write the nature and power of each lens.

NCERT Solutions for Class 10 Science Chapter 10 Important Board Questions Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board 3 Marker Questions Questions No: 9

Biology Sir

Asked: January 1, 2021In: Class 10 Science

What are fossils? How can the age of fossils be determined?

NCERT Solutions for Class 10 Science Chapter 9 Important Board Questions Heredity and Evolution NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Questions: Questions No:2

Biology Sir

Asked: January 1, 2021In: Class 10 Science

What are the chromosomes XY and XX known as?

NCERT Solutions for Class 10 Science Chapter 9 Important Board Questions Heredity and Evolution NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Questions: Questions No: 8 Part: d

What do you understand by dispersion of light.

An object is placed at a distance of 15 cm from a concave lens of focal length 30 cm. List four characteristic (nature, position, etc.) of the image formed by the lens.

What is meant by power of a lens? Write its SI unit. A student uses a lens of focal length 40 cm and another of –20 cm. Write the nature and power of each lens.

What are fossils? How can the age of fossils be determined?

What are the chromosomes XY and XX known as?

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