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Light-Reflection and Refraction

Lenses

Last Updated on February 16, 2023 By Mrs Shilpi Nagpal

Question 1 Define optical centre? Question 2 Define principal focus? Question 3 Define focal length? Question 4 Define principal foci? Question 5 Define first focal plane? Question 6 Define first principal focus? Question 7 Define second principal focus? Question 8 What do you mean by aperture of lens? Question 9 What are converging lenses? Question … [Read more...] about Lenses

Refraction by spherical lenses

Last Updated on February 16, 2023 By Mrs Shilpi Nagpal

Concavo-convex

Question 1 What is a lens? Question 2 How many type of lens are them? Question 3 What is a convex lens? Question 4 What is a concave lens? Question 5 Draw Bi-convex, plane-convex and concavo-convex lens? Question 6 Draw Bi-concave, plane-concave and convexo-concave lens? Refraction by Spherical Lenses Lens is a transparent medium bounded by two refracting … [Read more...] about Refraction by spherical lenses

Refraction of Light

Last Updated on February 16, 2023 By Mrs Shilpi Nagpal

Refraction of light

Question 1 Define the term refraction of light? Question 2 Draw a diagram showing the bending of a ray of light when it travels from a rare medium to a denser medium? Question 3 State two laws of refraction? Question 4 What is the cause of refraction of light? Refraction of Light The phenomenon of bending of light when they pass from one medium to another medium is … [Read more...] about Refraction of Light

Images formed by Concave Lens

Last Updated on February 16, 2023 By Mrs Shilpi Nagpal

Object is at infinity

Question 1 What are the sign conventions for measuring the distances for spherical lens? Question 2 The image formed by concave lens is seen to be virtual, erect and highly diminished than the object. What is the position of the object? Question 3 Where should an object be placed in front of a concave lens so as to obtain image between focus and optical centre? Images … [Read more...] about Images formed by Concave Lens

Images formed by Convex Lens

Last Updated on February 16, 2023 By Mrs Shilpi Nagpal

Object is between F1 and optical centre of lens

Question 1 Where should an object be placed in front of a convex lens so as to obtain image on same side of lens? Question 2 The image formed by convex lens is seen to be real, inverted and diminished. What is the position of the object? Question 3 The image formed by convex lens is seen to be real, inverted and highly magnified. What is the position of the object? Image … [Read more...] about Images formed by Convex Lens

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