Discussion Forum

Asked: December 30, 2020In: Class 10 Science

Write the importance of ciliary muscles in the human eye. Name the defect of vision that arises due to gradual weakening of the ciliary muscles. What types of lenses are required by the person suffering from this defect to see the objects clearly.

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 Short Questions Questions No: 7

Amrita

Asked: December 30, 2020In: Class 10 Science

Define magnetic field lines.

NCERT Solutions for Class 10 Science Chapter 13 Important Board Questions Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Questions: Questions No: 1

Physics Question

Asked: December 30, 2020In: Class 10 Science

What is “dispersion of white light”? Draw a labelled diagram to illustrate the recombination of the spectrum of white light. Why it is essential that the two prisms used for the purpose should be identical and placed in an inverted position with respect to each other?

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 Short Questions Questions No: 5

Learn Physics

Asked: December 30, 2020In: Class 10 Science

A thin converging lens forms a (i) Real magnified image. (ii) Virtual magnified image. (a) Write the positions of the objects in each case. (b) Draw labelled diagrams for each case.

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 5 Marker Questions Questions No: 2

Poll

Aadit

Asked: December 30, 2020In: Class 10 Science

Assertion (A): Magnetic field lines never intersect each other. Reason (R): There must not be two north directions at a point.

NCERT Solutions for Class 10 Science Chapter 13 Important Board Questions Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Questions: Questions No: 20

Write the importance of ciliary muscles in the human eye. Name the defect of vision that arises due to gradual weakening of the ciliary muscles. What types of lenses are required by the person suffering from this defect to see the objects clearly.

Define magnetic field lines.

What is “dispersion of white light”? Draw a labelled diagram to illustrate the recombination of the spectrum of white light. Why it is essential that the two prisms used for the purpose should be identical and placed in an inverted position with respect to each other?

A thin converging lens forms a (i) Real magnified image. (ii) Virtual magnified image. (a) Write the positions of the objects in each case. (b) Draw labelled diagrams for each case.

Assertion (A): Magnetic field lines never intersect each other. Reason (R): There must not be two north directions at a point.

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