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How is the power of lens related t...

How is the power of lens related to its focal length ?

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Inversely proportional
[Or] P = 1/f
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SUNSTAR PUBLICATION-ANNUAL EXAM QUESTION PAPER MARCH -2015-PART-A
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  2. What is the significance of Lenz's law ?

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  3. How is the power of lens related to its focal length ?

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  4. What is the outcome of Davission Germer Experiment?

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  5. name the spectral series of hydrogen which lies in the ultraviolet reg...

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  6. What is meant by specific binding energy ?

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  7. What is attenuation in communication system ?

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  8. Write Coulomb's law in vector form and explain the terms.

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  9. Give any two practical limitations of Ohm's law.

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  10. List the properties of magnetic field lines.

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  11. Current in a coil falls from 2.5a to 0.0a in 0.1 second inducing an em...

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  12. Mention two applications of infrared radiation.

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  13. Draw the ray diagram of image formation in case of compound microscope

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  14. what is photo diode? Mention its one use.

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  15. Draw the block diagram of generalised communication system.

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  16. Derive an expression for capacitance of a paralle plate capacitor

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  17. How is galvanometer converted into an ammeter?

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  18. Distinguish between diamagnetic and paramagnetic substances.

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  19. Derive the expression for emf induced in a straight conductor moving p...

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  20. Show that voltage in an inductor leads the current by pi//2 rad for ...

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