Tiwari Academy Discussion

Divit malik

Asked: October 20, 2020In: Class 10

A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it. Where is the needle placed in front of the convex lens if the image is equal to the size of the object? Also, find the power of the lens.

NCERT Solution for Class 10 Science Chapter 10 Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-184 Questions No-2

Divit malik

Asked: October 20, 2020In: Class 10

Find the power of a concave lens of focal length 2 m.

NCERT Solution for Class 10 Science Chapter 10 Light – Reflection and Refraction NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-184 Questions No-3

Poll

Divit malik

Asked: October 20, 2020In: Class 10

Which one of the following materials cannot be used to make a lens?

NCERT Solution for Class 10 Science Chapter 10 Heredity and Evolution NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-185 Questions No-2

Poll

Divit malik

Asked: October 20, 2020In: Class 10

Where should an object be placed in front of a convex lens to get a real image of the size of the object?

NCERT Solution for Class 10 Science Chapter 10 Heredity and Evolution NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-185 Questions No-3

Poll

Divit malik

Asked: October 20, 2020In: Class 10

A spherical mirror and a thin spherical lens have each a focal length of –15 cm. The mirror and the lens are likely to be

NCERT Solution for Class 10 Science Chapter 10 Heredity and Evolution NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-185 Questions No-4

Poll

Divit malik

Asked: October 20, 2020In: Class 10

No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be

NCERT Solution for Class 10 Science Chapter 10 Heredity and Evolution NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-186 Questions No-5

Poll

Divit malik

Asked: October 20, 2020In: Class 10

Which of the following lenses would you prefer to use while reading small letters found in a dictionary?

NCERT Solution for Class 10 Science Chapter 10 Heredity and Evolution NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-186 Questions No-6

Divit malik

Asked: October 20, 2020In: Class 10

We wish to obtain an erect image of an object, using a concave mirror of focal length 15 cm. What should be the range of distance of the object from the mirror? What is the nature of the image? Is the image larger or smaller than the object? Draw a ray diagram to show the image formation in this case.

NCERT Solution for Class 10 Science Chapter 10 Heredity and Evolution NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-186 Questions No-7

Saanvi Talwar

Asked: October 20, 2020In: Class 10

Name the type of mirror used in the following situations.

NCERT Solution for Class 10 Science Chapter 10 Heredity and Evolution NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-186 Questions No-8 Name the type of mirror used in the following situations. (a) Headlights of a ...

Saanvi Talwar

Asked: October 20, 2020In: Class 10

One-half of a convex lens is covered with a black paper. Will this lens produce a complete image of the object? Verify your answer experimentally. Explain your observations.

NCERT Solution for Class 10 Science Chapter 10 Heredity and Evolution NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-186 Questions No-9

A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it. Where is the needle placed in front of the convex lens if the image is equal to the size of the object? Also, find the power of the lens.

Find the power of a concave lens of focal length 2 m.

Which one of the following materials cannot be used to make a lens?

Where should an object be placed in front of a convex lens to get a real image of the size of the object?

A spherical mirror and a thin spherical lens have each a focal length of –15 cm. The mirror and the lens are likely to be

No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be

Which of the following lenses would you prefer to use while reading small letters found in a dictionary?

Name the type of mirror used in the following situations.

One-half of a convex lens is covered with a black paper. Will this lens produce a complete image of the object? Verify your answer experimentally. Explain your observations.

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