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Which part of electromagnetic spectrum h...

Which part of electromagnetic spectrum has largest penterating power.

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Gamma rays (frequency range `5xx 10^22` to `3xx10^18HZ`)has largest pentrating power.
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XII BOARDS PREVIOUS YEAR-XII BOARDS-SET-I
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  2. In which orientation, a dipole placed, in a uniform field is in (i) st...

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  3. Which part of electromagnetic spectrum has largest penterating power.

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  4. A plot of magnetic flux (phi) versus current (I) is shown for two indu...

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  5. Fig shows three point charges +2q, -q and + 3q, What is the electric ...

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  6. A glass lens of refractive index 1.45 when immersed in a transparent l...

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  7. What is the ratio of radii of orbits corresponding to first excited st...

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  8. A wire of resistance 8R is bent in the form of a circle. What is the e...

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  9. Conditions Of Total Internal Reflection

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  10. What is the function of repeater in a communication system?

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  11. (i) Write two characteristics of a material used for making permanaent...

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  12. Draw magnetic field lines when (a) (i) diamagnetic ,(ii) paramagnetic ...

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  13. Draw the circuit diagram of an illuminated photodiode in reverse bias?...

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  14. An electric lamp having coil of negligible inductance connected in ser...

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  15. Arrange the following electro-magnetic radiations in ascending order o...

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  16. The radius of curvature of the faces of a double convex lens are 10 cm...

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  17. An electron is accelerated through a potential difference of 100 volts...

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  18. A heavy nucleus X of mass number 240 and binding energy per nucleon 7....

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  19. (a) The blusih colour predominates in clear sky . (b) Voilet colour ...

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  20. Plot a graph showing the variation of stopping potential with the freq...

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