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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Non Vocational Teacher Physics (Junior & Senior)' And exam conducted in the year 2023. And Question paper code was '084/2023'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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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
084/2023 10 A