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The phenomenon of radioactivity was disc...

The phenomenon of radioactivity was discovered by

A

Decay of the nucleus

B

Nuclear reaction caused by cosmic rays

C

Decay of the atom

D

Fusion of the nucleus

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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER - 1-PHYSICS
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  2. The phenomenon of radioactivity was discovered by

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  4. Telescopes with large aperture objectives are chosen because they

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  5. An electron of mass m and charge e is moving from rest through a poten...

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  6. Neglecting variation of mass with energy, the wavelength associated wi...

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  7. When a microgram of matter is converted into energy, the amount of ene...

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  8. During a nuclear fusion reaction

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  9. The ratio of the radii of the nuclei ""(12)^(27) Al and ""(52)^(125) T...

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  10. When diliute sulphuric acid and hydrogen perioxide are added to a solu...

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  11. Vectors A and B have equal magnitude . In addition , the magnitude of ...

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  12. Two stones are thrown from the top of a towerone straight down with an...

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  13. At 30 volt D.C. and 90 watt bulbs glows at full power. The value of 'r...

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  14. If x=(epsilon(0)lV)/(t) where epsilon(0) is permittivity of free space...

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  15. A uniform wire of 16 Omega resistance is made into the form of a squar...

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  16. The value of current in the given circuit is

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  17. A man runs towards a mirror at a rate of 6 m/s. If we assume the mirro...

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  18. In a reflecting astronomical telescope, if the objetcive (a spherical ...

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  19. The condition for observing Fraunhoffer diffraction from a single slit...

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  20. Which of the following does not support the wave nature of light ?

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