Learn Physics

Asked: January 3, 2021In: Class 10 Science

A concave mirror produces three times magnified (enlarged) real image of an object placed at 10 cm in front of it. Where is the image located?

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 Answer in one word/one sentence. Questions No: 12 part: i

Learn Physics

Asked: January 3, 2021In: Class 10 Science

An object is placed at the focus of a convex lens. Draw ray diagram to locate the position of image formed.

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: 6

Learn Physics

Asked: January 2, 2021In: Class 10 Science

A 5 cm tall object is placed perpendicular to the principal axis of a convex lens of focal length 10 cm. If the object is placed 30 cm away from the lens, find the positions, size and nature of images.

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: 4

Learn Physics

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

Learn Physics

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

Learn Physics

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

Learn Physics

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

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

Learn Physics

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

Learn Physics

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 concave mirror produces three times magnified (enlarged) real image of an object placed at 10 cm in front of it. Where is the image located?

An object is placed at the focus of a convex lens. Draw ray diagram to locate the position of image formed.

A 5 cm tall object is placed perpendicular to the principal axis of a convex lens of focal length 10 cm. If the object is placed 30 cm away from the lens, find the positions, size and nature of images.

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.

(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?

Which is the best website providing NCERT Solutions?

NCERT Books

Where can I get NCERT books in PDF format?

NIOS

NCERT Solutions

Sign Up

Sign In

Forgot Password

Tiwari Academy Discussion Latest Questions