September 2023

Consider a one-dimensional gas of 𝑁 non-interacting particles of mass 𝑚 with the Hamiltonian for a single particle given by

Consider a one-dimensional gas of 𝑁 non-interacting particles of mass 𝑚 with the Hamiltonian for a single particle given by

Q. Consider a one-dimensional gas of 𝑁 non-interacting particles of mass 𝑚 with the Hamiltonian for a single particle given by , The high temperature specific heat in units of 𝑅 = 𝑁𝑘𝐵 (𝑘𝐵 is the Boltzmann constant) is (A) 1 (B) 1.5 (C) 2 (D) 2.5 Ans: 1

Consider a one-dimensional gas of 𝑁 non-interacting particles of mass 𝑚 with the Hamiltonian for a single particle given by Read More »

Considering baryon number and lepton number conservation laws which of the following processes is/are allowed

Considering baryon number and lepton number conservation laws which of the following processes is/are allowed

Q. Considering baryon number and lepton number conservation laws, which of the following processes is/are allowed? (i)   𝑝 → 𝜋0 + 𝑒+ + 𝜈𝑒 (ii) 𝑒+ + 𝜈𝑒 → 𝜇+ + 𝜈𝜇 (A) both (i) and (ii) (B) only (i)   (C) only (ii)   (D) neither (i) nor (ii) Ans: only (ii)

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Which of the following structures or regions is incorrectly paired with its function?

Which of the following structures or regions is incorrectly paired with its function?

Which of the following structures or regions is incorrectly paired with its function? Option 1 : Limbic system                   consists of fibre tracts that interconnect different regionsof brain; controls movements. Option 2 : Corpus callosum                band of fibers connecting left and right cerebral hemispheres. Option 3 : Medulla oblongata         controls respiration and cardiovascular reflexes. Option 4

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In a water flooding experiment the pressure gradients in the displacing and displaced phases are 400 psi/ft and 350 psi/ft

In a water flooding experiment the pressure gradients in the displacing and displaced phases are 400 psi/ft and 350 psi/ft

Q. In a water flooding experiment, the pressure gradients in the displacing and displaced phases are 400 psi/ft and 350 psi/ft, respectively. Assume that the displacement front is stable in the absence of capillary and gravity forces. Consider that only water flows upstream and only oil flows downstream of the displacement front. Then the mobility

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