Physics
2024 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE PH 2024 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 49–51 of 65. Imported answers require review unless explicitly marked reviewed.
Question 49
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Decays of mesons and baryons can be categorized as weak, strong and electromagnetic decays depending upon the interactions involved in the processes. Which of the following option is/are true?
Your answerSelect all correct options. You can choose more than one.
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An extrinsic semiconductor shown in figure carries a current of 2 mA along its length parallel to +x axis.
When the majority charge carrier concentration is
and the sample is exposed to a constant magnetic field applied along the +z direction, a Hall voltage of 20 mV is measured with the negative polarity at
plane. Take the electric charge as
C. The concentration of minority charge carrier is negligible. Which of the following statement is/are true?Your answerSelect all correct options. You can choose more than one.
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Open questionPHMSQ2 marksNeeds review
and
(
) are contravariant and covariant vectors, respectively. By convention, any repeated indices are summed over. Which of the following expression is/are tensors?Your answerSelect all correct options. You can choose more than one.
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