All India Engineering / Architecture Entrance Examination (AIEEE)
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AIEEE 2010 Physics
Q.11. The combination of gates shown below yields
- OR gate
- NOT gate
- XOR gate
- NAND gate
Sol:
Answer : (1)
Q.12. A radioactive nucleus (initial mass number A and atomic number Z) emits 3-
particles and 2 positrons. The ratio of number of neutrons to that of protons in the final nucleus will be
Sol:
Number of protons = Z – 8
Number of neutrons = A – 12 – (Z – 8) = A – Z – 4
Answer : (2)
