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The SI unit of radioactivity is...

The `SI` unit of radioactivity is

A

Rutherford

B

Roentgen

C

Bacqueral

D

Curie.

Text Solution

Verified by Experts

The correct Answer is:
C

The S.I. unit of radioactivity is Becqueral.
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KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2002-PHYSICS (MCQ.s)
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  2. Whenever a hydrogen atom emits a photon in the Balmer series

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  3. The SI unit of radioactivity is

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  4. An ammeter and a voltmeter are joined in series to a cell. Their readi...

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  5. If each of the resistance of the network shown in figure is R, the equ...

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  6. A cell supplies a current of 0.9 A through a 2Omega resistor and a cur...

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  7. A wire carrying current I is shaped as shown. Section AB is a quarter ...

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  8. The wire loop formed by joining two semicircular sections of radii R(1...

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  9. To increase both the resolving power and magnifying power of a telecsc...

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  10. Forty one tuning forks are arranged in increasing order of frequencies...

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  11. In a stationary wave all the particles

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  12. A cylinderical tube, open at both ends, has a fundamental frequency f(...

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  13. A man x can hear only upto 10 kHz and another man y upto 20 kHz . A no...

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  14. When 100 V d.c. is applied across a coil, a current of 1 A flows throu...

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  15. In the circuit shown in the figure, the a.c. source gives a voltage V=...

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  16. In the Borh model of the hydrogen atom, let R,V and E represent the ra...

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  17. In a sample of radioactive material, what percentage of the initial nu...

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  18. A caesium photocell , with a steady potential difference of 60 V acros...

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  19. The equation y=Acos^(2)[2pint-2pi(x)/(lamda)] represents a wave with

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  20. A light points fixed to one prong of a tuning fork touches a vertical ...

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