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Naitik

Asked: May 3, 2021In: Class 10 Science

Sun glasses have zero power as the radius of curvature of the two surfaces is

NCERT Important Questions Class 10 Science physics Chapter 10 Important NCERT Extra Questions Chapter 10 Light – Reflection and Refraction NCERT Book Extra Questions for Session 2022-2023 CBSE Board and UP Board Others state Board

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Naitik

Asked: May 3, 2021In: Class 10 Science

The ratio of the wavelengths of a light wave travelling with a speed of 2 x 10⁸ and 3 x 10⁸ in different media is

NCERT Important Questions Class 10 Science physics Chapter 10 Important NCERT Extra Questions Chapter 10 Light – Reflection and Refraction NCERT Book Extra Questions for Session 2022-2023 CBSE Board and UP Board Others state Board

Poll

Naitik

Asked: May 3, 2021In: Class 10 Science

If the critical angle for a medium is 45°, its refractive index will be

NCERT Important Questions Class 10 Science physics Chapter 10 Important NCERT Extra Questions Chapter 10 Light – Reflection and Refraction NCERT Book Extra Questions for Session 2022-2023 CBSE Board and UP Board Others state Board

Poll

Naitik

Asked: May 3, 2021In: Class 10 Science

lf four different colours of light fall parallel to the principal axis of a convex lens, the number of points of convergence on the axis will be

NCERT Important Questions Class 10 Science physics Chapter 10 Important NCERT Extra Questions Chapter 10 Light – Reflection and Refraction NCERT Book Extra Questions for Session 2022-2023 CBSE Board and UP Board Others state Board

Poll

Naitik

Asked: May 3, 2021In: Class 10 Science

An object is placed at a distance of 30 cm from a concave lens of focal length 10 cm. The position of image from the optical centre is

NCERT Important Questions Class 10 Science physics Chapter 10 Important NCERT Extra Questions Chapter 10 Light – Reflection and Refraction NCERT Book Extra Questions for Session 2022-2023 CBSE Board and UP Board Others state Board

Poll

Naitik

Asked: May 3, 2021In: Class 10 Science

The nature of image seen is not altered with position in a

NCERT Important Questions Class 10 Science physics Chapter 10 Important NCERT Extra Questions Chapter 10 Light – Reflection and Refraction NCERT Book Extra Questions for Session 2022-2023 CBSE Board and UP Board Others state Board

Poll

Naitik

Asked: May 3, 2021In: Class 10 Science

The angle of deviation ϕ of a reflected light from the incident light (θ) is

NCERT Important Questions Class 10 Science physics Chapter 10 Important NCERT Extra Questions Chapter 10 Light – Reflection and Refraction NCERT Book Extra Questions for Session 2022-2023 CBSE Board and UP Board Others state Board

Poll

Naitik

Asked: May 3, 2021In: Class 10 Science

As light travels from a rarer to a denser medium it will have

NCERT Important Questions Class 10 Science physics Chapter 10 Important NCERT Extra Questions Chapter 10 Light – Reflection and Refraction NCERT Book Extra Questions for Session 2022-2023 CBSE Board and UP Board Others state Board

Poll

Naitik

Asked: May 3, 2021In: Class 10 Science

The angle of incidence for a ray of light having zero reflection angle is

NCERT Important Questions Class 10 Science physics Chapter 10 Important NCERT Extra Questions Chapter 10 Light – Reflection and Refraction NCERT Book Extra Questions for Session 2022-2023 CBSE Board and UP Board Others state Board

Poll

Naitik

Asked: May 3, 2021In: Class 10 Science

The SI unit of converging ability of a lens is

NCERT Important Questions Class 10 Science physics Chapter 10 Important NCERT Extra Questions Chapter 10 Light – Reflection and Refraction NCERT Book Extra Questions for Session 2022-2023 CBSE Board and UP Board Others state Board

Sun glasses have zero power as the radius of curvature of the two surfaces is

The ratio of the wavelengths of a light wave travelling with a speed of 2 x 10⁸ and 3 x 10⁸ in different media is

If the critical angle for a medium is 45°, its refractive index will be

lf four different colours of light fall parallel to the principal axis of a convex lens, the number of points of convergence on the axis will be

An object is placed at a distance of 30 cm from a concave lens of focal length 10 cm. The position of image from the optical centre is

The nature of image seen is not altered with position in a

The angle of deviation ϕ of a reflected light from the incident light (θ) is

As light travels from a rarer to a denser medium it will have

The angle of incidence for a ray of light having zero reflection angle is

The SI unit of converging ability of a lens is

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