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Asked: January 1, 2021In: Class 10 Science

(a) Define 1 dioptre of power. Find the focal length of a lens of power -2.0 D. (b) Why does a lemon kept in water in a glass tumbler appear to be bigger then actual size.

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: 4

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Asked: January 1, 2021In: Class 10 Science

“A lens can form a magnified erect image as well as magnified inverted image of anobject placed in front of it”. Same the nature of this lens and draw ray diagrams to justify the above statement. Mark the position of O, F and 2F in the diagram.

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: 11

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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

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Asked: December 30, 2020In: Class 10 Science

The refractive indices of glass and water with respect to air are 3/2 and 4/3 respectively. If speed of light in glass is 2 × 108 m/s, find the speed of light in water.

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: 12

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Asked: December 29, 2020In: Class 10 Science

A ray travelling in water enters obliquely into glass. Does the light bend towards or away from the Normal and why?

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: 5

Learn Physics

(a) Define 1 dioptre of power. Find the focal length of a lens of power -2.0 D. (b) Why does a lemon kept in water in a glass tumbler appear to be bigger then actual size.

“A lens can form a magnified erect image as well as magnified inverted image of anobject placed in front of it”. Same the nature of this lens and draw ray diagrams to justify the above statement. Mark the position of O, F and 2F in the diagram.

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.

The refractive indices of glass and water with respect to air are 3/2 and 4/3 respectively. If speed of light in glass is 2 × 108 m/s, find the speed of light in water.

A ray travelling in water enters obliquely into glass. Does the light bend towards or away from the Normal and why?

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