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In a transistor circuit, when the base c...

In a transistor circuit, when the base current is increased by `50mu A `keeping the collector voltage fixed at 2 V. the collector current increases by 1 mA The current gain of the transistor is

A

intensity of x-rays increases

B

penetrating power of the x-rays remain same

C

wavelength of x-rays in unchanged

D

all the above

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The correct Answer is:
D
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AAKASH SERIES-DUAL NATURE OF RADIATION AND MATTER-EXERCISE-I
  1. Photon of frequency v has a momentum associated with it. If c is the v...

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  2. Moseley's law for characteristic X-rays is sqrt v = a(Z-b). In this,

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  3. In the pure inductive circuit, the curves between frequency f and reci...

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  4. Consider a photon of continuous X-ray and a photon of characteristic X...

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  5. When target potential in the X-ray tube is increased

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  6. The X-rays beam coming from an X-ray tube will be

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  7. Molybdenum is used as a target for production of x-rays, because it is

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  8. Assertio Wavelength of charachteristic X-rays is given by (1)/(lambd...

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  9. Process of biogas production is

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  10. Penetrating power of X-rays increase with the increase in its

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  11. Which of the following statement is correct ?

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  12. In a transistor circuit, when the base current is increased by 50mu A ...

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  13. Hydrogen atom does not emit X-rays because

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  14. Which of the following is used to study the structure of crystals ?

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  15. can X-rays be used for photoelectric effect?

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  16. If the potential difference applied to tube is doubled and the separat...

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  17. If the current in the circuit for heating the filament is increased, t...

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  18. According to moselay.s law, the frequency (vartheta) of the Kalpha lin...

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  19. The second law of thermodynamics states that

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  20. According to Moseley.s law, the frequency of a spectral line in X-ray ...

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