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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

Saanvi Talwar

Asked: October 20, 2020In: Class 10

A doctor has prescribed a corrective lens of power +1.5 D. Find the focal length of the lens. Is the prescribed lens diverging or converging?

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-17

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Saanvi Talwar

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?

A doctor has prescribed a corrective lens of power +1.5 D. Find the focal length of the lens. Is the prescribed lens diverging or converging?

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