Tiwari Academy Discussion

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

Saanvi Talwar

Asked: October 20, 2020In: Class 10

An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. Draw the ray diagram and find the position, size and the nature of the image formed.

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-10

Saanvi Talwar

Asked: October 20, 2020In: Class 10

A concave lens of focal length 15 cm forms an image 10 cm from the lens. How far is the object placed from the lens? Draw the ray diagram.

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-11

Saanvi Talwar

Asked: October 20, 2020In: Class 10

An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image.

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-12

Saanvi Talwar

Asked: October 20, 2020In: Class 10

The magnification produced by a plane mirror is +1. What does this mean?

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-13

Saanvi Talwar

Asked: October 20, 2020In: Class 10

An object 5.0 cm in length is placed at a distance of 20 cm in front of a convex mirror of radius of curvature 30 cm. Find the position of the image, its nature and size.

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-14

Saanvi Talwar

Asked: October 20, 2020In: Class 10

An object of size 7.0 cm is placed at 27 cm in front of a concave mirror of focal length 18 cm. At what distance from the mirror should a screen be placed, so that a sharp focussed image can be obtained? Find the size and the nature of the image.

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-15

Saanvi Talwar

Asked: October 20, 2020In: Class 10

Find the focal length of a lens of power – 2.0 D. What type of lens is this?

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-16

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.

An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. Draw the ray diagram and find the position, size and the nature of the image formed.

A concave lens of focal length 15 cm forms an image 10 cm from the lens. How far is the object placed from the lens? Draw the ray diagram.

An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image.

The magnification produced by a plane mirror is +1. What does this mean?

An object 5.0 cm in length is placed at a distance of 20 cm in front of a convex mirror of radius of curvature 30 cm. Find the position of the image, its nature and size.

An object of size 7.0 cm is placed at 27 cm in front of a concave mirror of focal length 18 cm. At what distance from the mirror should a screen be placed, so that a sharp focussed image can be obtained? Find the size and the nature of the image.

Find the focal length of a lens of power – 2.0 D. What type of lens is this?

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