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Show that the minimum distance between t...

Show that the minimum distance between the object and the screen is 4 times of focal length of a convex lens at the time of real image formation.

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UNITED BOOK HOUSE-MODEL PAPER SET-06-EXERCISE
  1. A thin metalic sheet is placed at .the mid position between the paral...

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  2. A sensitive electric instrument is influenced by the strong electric f...

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  3. An alpha particle and a proton particle are moving on the surface of a...

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  4. What is optical fibre? An object is placed at a depth ‘d’ in a medium ...

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  5. A glass prism is diped into a liquid of refractive index greater than ...

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  6. What should be the change of angular width of central maximum in a sin...

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  7. What should be the change of angular width of central maximum in a sin...

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  8. What should be the change of angular width of central maximum in a sin...

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  9. The velocity of an electron is v and that of another particle is 3v. T...

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  10. Write down the Einstein’s equation in photoelectric effect. Explain th...

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  11. ‘The energy of x-Ray is greater than visible light’— explain.

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  12. What is the name of the reverse process of X-ray production?

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  13. Draw a circuit diagram of full wave rectifier using p-n Junction. diod...

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  14. Draw a circuit diagram of OR gate using p-n junction diode. Give truth...

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  15. Compare the properties of conductor, semiconductor and insulator in th...

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  16. An amount of water in an electric kettle reaches at its boiling poin...

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  17. In a potentiometer experiment the null point is obtained at 5.20 m fo...

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  18. In a circuit an e.m.f. E = E0 sin wt and current I = I0 sin + (wt+pi/6...

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  19. Show that the minimum distance between the object and the screen is 4...

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  20. An object is placed in front of a convex lens at a distance twice of ...

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