A camera uses a ______ to form an image on a piece of film at the back. (1) convex lens (2) concave lens (3) diverging lens (4) none of these

A camera uses a ______ to form an image on a piece of film at the back. (1) convex lens (2) concave lens (3) diverging lens (4) none of these
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(1) convex lens Explanation: A camera consists of three main parts. • The body which is light tight and contains all the mechanical parts. • The lens which is a convex lens. • The film or a charged couple device in the case of a digital camera.
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Last Answer : Ans:(a)

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Description : In case of convex lens when the image formed is real, inverted and same size as the object then the object should have been at ______ position of lens. a) infinity b)focus c)2F d)between F and 2F

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Description : If you look into a mirror and find that the image (your reflexion) is smaller than you, then the type of the mirror is - (1) plano-concave mirror (2) concave mirror (3) plane mirror (4) convex mirror

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Description : A real image can be formed by which of the following single mirrors? w) a plane mirror x) a concave spherical mirror y) a convex spherical mirror

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Description : A virtual image can be formed by one or more of the following single mirrors? Identify them. w) plane mirror x) concave spherical mirror y) convex spherical mirror z) all of the above

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A concave lens has focal length of 20 cm. At what distance from the lens a 5 cm tall object be placed so that it forms an image at 15 cm from the lens? Also calculate the size of the image formed. -Physics

Description : A concave lens has focal length of 20 cm. At what distance from the lens a 5 cm tall object be placed so that it forms an image at 15 cm from the lens? Also calculate the size of the image formed. -Physics

Last Answer : Answer. I hope it helped you.

A concave lens always forms – (1) a real image (2) a virtual image (3) an Image type which depends on object characteristics (4) an image type which depends on lens curvature

Description : A concave lens always forms – (1) a real image (2) a virtual image (3) an Image type which depends on object characteristics (4) an image type which depends on lens curvature

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A concave lens always forms an image which is – (1) Real and erect (2) Virtual and erect (3) Real and inverted (4) Virtual and inverted

Description : A concave lens always forms an image which is – (1) Real and erect (2) Virtual and erect (3) Real and inverted (4) Virtual and inverted

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Description : A concave lens always forms (1) a real image (2) a virtual image (3) an image type which depends on object characteristics (4) an image type which depends on lens curvature

Last Answer : a virtual image

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Description : A concave lens always forms an image which is (1) real and erect (2) virtual and erect (3) real and inverted (4) virtual and inverted 

Last Answer : virtual and erect

A concave lens is kept in contact with a convex lens of focal length `20 cm`. The combination works as a converging lens of focal length `100 cm`. Cal

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A compound lens has been formed by joinined a convex and a concave lens, each of focal length 30 cm. what is the focal length of the combination? What

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Last Answer : A compound lens has been formed by joinined a convex and a concave lens, each of focal length 30 ... of the combination? What will be the power ?

The focal length of a concave-convex lens of radii of curvature 5 cm and 10 cm is 20 cm. what will be its focal length in water ? Given `.^(a)mu_(w) =

Description : The focal length of a concave-convex lens of radii of curvature 5 cm and 10 cm is 20 cm. what will be its focal length in water ? Given `.^(a)mu_(w) =

Last Answer : The focal length of a concave-convex lens of radii of curvature 5 cm and 10 cm is 20 cm. what will be its ... water ? Given `.^(a)mu_(w) = 4//3`.

Which one of the following can be used to focus sunlight? A. Plane mirror B. Concave lens C. Concave mirror D. Convex mirror

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Description : Which of the following can be used as a burning glass? (a) Plane mirror (b) Convex mirror (c) Concave lens (d) Concave mirror

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Concave and convex lens:

Description : Concave and convex lens:

Last Answer : A convex lens curves outward; it has a thick center and thinner edges. Light passing through a convex lens is bent inward, or made to converge; Concave lens: A diverging, or concave, lens is ... , with a thin center and thicker edges. Light passing through a concave lens bends outward, or diverges

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