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A convex lens of focal length 10 cm is placed at a distance of 12 cm from a wall.

asked Jun 11, 2022 in 10th science by varun (6.7k points)

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The magnification produced by a spherical lens is +0.75.

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Focal length of converging lens is_______

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Focal length of concave lens is_______

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Write formula of magnification for lens.

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Write lens formula?

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State laws of reflection

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What is reflection of light?

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What Are Spores? Give Definition & Types?

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What is permittivity of free space, permittivity and relative permittivity.

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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What is the force between two 1C charges separated by 1m?

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Define dielectric constant of a medium. What is its S.I. unit?

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Coulomb's law is applicable to

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Explain coulomb's law?

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Petrol tankers plying on highways often have metal chains attached to that drag along the road. Could you say why ?

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Which of the charges are possible?

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Can a body have a charge of

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Quantisation of charge implies : (a) charge cannot be destroyed (b) charge exists on particles (c) there is a minimum permissible charge on a particle (d) charge, which is a fraction of a charge on an electron is not possible

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

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According to additive property of charges

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When a body is grounded, electrons from the earth flow into the body. This means the body is :

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