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Asked: December 25, 2020In: Class 10 Science

The unit of power of lens is

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 Multiple Choice Questions Questions No: 9

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Asked: December 25, 2020In: Class 10 Science

Image formed by plane mirror is

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 Multiple Choice Questions Questions No: 2

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Asked: December 25, 2020In: Class 10 Science

A concave mirror gives real, inverted and same size image if the object is placed

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 Multiple Choice Questions Questions No: 3

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Asked: December 25, 2020In: Class 10 Science

Power of the lens is-40, its focal length is

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 Multiple Choice Questions Questions No: 4

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Asked: December 25, 2020In: Class 10 Science

A concave mirror gives virtual, erect and enlarged image of the object. The position of the object is

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 Multiple Choice Questions Questions No: 5

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Asked: December 25, 2020In: Class 10 Science

In optics and object which has higher refractive index is called

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 Multiple Choice Questions Questions No: 6

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Asked: December 25, 2020In: Class 10 Science

The optical phenomena, twinkling of stars, is due to

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 Multiple Choice Questions Questions No: 7

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Asked: December 25, 2020In: Class 10 Science

Convex lens focus a real, point sized image at focus, the object is placed

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 Multiple Choice Questions Questions No: 8

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Asked: December 25, 2020In: Class 10 Science

Focal length of plane mirror is

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 Multiple Choice Questions Questions No: 1

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Asked: December 14, 2020In: Class 9 Science

What is the magnitude of the gravitational force between the earth and a 1 kg object on its surface? (Mass of the earth is 6 × 10²⁴ kg and radius of the earth is 6.4 × 10⁶ m).

NCERT Solutions for Class 9 Science Chapter 10 Important NCERT Questions Gravitation NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-143 Questions No-2

The unit of power of lens is

Image formed by plane mirror is

A concave mirror gives real, inverted and same size image if the object is placed

Power of the lens is-40, its focal length is

A concave mirror gives virtual, erect and enlarged image of the object. The position of the object is

In optics and object which has higher refractive index is called

The optical phenomena, twinkling of stars, is due to

Convex lens focus a real, point sized image at focus, the object is placed

Focal length of plane mirror is

What is the magnitude of the gravitational force between the earth and a 1 kg object on its surface? (Mass of the earth is 6 × 10²⁴ kg and radius of the earth is 6.4 × 10⁶ m).

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