40.

41.

42.

43.

44.

45.

Which of the following combination of registers are used as register pairs for 16-bit
operations in 8085?

(A) B-D (B) CE

(0) E-L (D) H-L
An 8-bit Analog to Digital converter operates over a range of 0-10.24 V. The binary
representation of 2.56V signal is:

(A) 00000010 (B) 00010000

(C) 00000100 (D) 01000000

Which of the following statement is true about sample and Hold circuit?
(A) _ It stabilizes the comparator’s threshold voltage during conversion process
(B) It stabilizes the input analog signal during conversion process

(C) The analog signal frequency should be significantly higher than the frequency of
Sample-Hold voltage

(D) None of these

Which of the following statements are correct for Beta plus decay?
0) Can happen if the daughter nucleus is more stable than the mother nucleus

(ii) Can take place only if the rest mass of the parent nuclide is at least two electron
masses

(ii) A neutron is converted to a proton

(iv) Conserves Lepton number
(ಯ) @, Gi) and (iii) (B) (ii), (iii) and (iv)
(0) @, Gi) and (iv) (D) (0, (10) ೩೧೮ (1)

The binding energy per nucleon :
(A) increases steadily as we go to heavier elements
(B) decreases steadily as we go to heavier elements

(C) is approximately constant throughout the periodic table, except for very light
nuclei

(D) has a maximum near iron in the periodic table

The conditions under which Fick’s law was derived are:
@ ‘Flux contributions are negligible beyond a few mean free paths
(ii) Contribution to the flux is mostly from in-elastic scattering reactions
(iii) Neutron flux is slowly varying
(iv) Neutron flux is dependent of time
(^) @ and (ii) are correct ൯ (ii) and (iii) are correct

(C) (i) and (iv) are correct () @ and (ii) are correct

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