Q. Consider two systems A and B each having two distinguishable particles. In both the systems, each particle can exist in states with energies 0, 1, 2 and 3 units with equal probability. The total energy of the combined system is 5 units. Assuming that the system A has energy 3 units and the system […]
Which of the following features is used to identify a male cockroach from a female cockroach? Option 1 : Presence of a boat shaped sternum on the 9th abdominal segment.Option 2 : Forewings with darker tegminaOption 3 : Presence of caudal stylesOption 4 : Presence of anal cerci
Q. Consider a system of three charges as shown in the figure below: For π = 10 m; π = 60 degrees; π = 10β6 Coulomb, and π = 10β3 m, the electric dipole potential in volts (rounded off to three decimal places) at a point (π, π) is Ans: 0.045 Sol:
Consider a system of three charges as shown in the figure below Read More Β»
Which one of these animals is not a homeotherm? Option 1 : MacropusOption 2 : PsittaculaOption 3 : CamelusOption 4 : Chelone
Which one of these animals is not a homeotherm? Read More Β»
Q. In a thermally insulated container, 0.01 kg of ice at 273 K is mixed with 0.1 kg of water at 300 K. Neglecting the specific heat of the container, the change in the entropy of the system in J/K on attaining thermal equilibrium (rounded off to two decimal places) is (Specific heat of water
Q. A radioactive element X has a half-life of 30 hours. It decays via alpha, beta and gamma emissions with the branching ratio for beta decay being 0.75. The partial half-life for beta decay in unit of hours is Β Β Β Β Β Β Β Β Β Β Ans: 40 Sol:
Ciliates differ from all other protozoans in Option 1 : Using flagella for lovcomotionOption 2 : Having a contractile vacuole for removing excess waterOption 3 : Having two types of nucleiOption 4 : Using pseudopodia for capturing prey
Q. Let π be a variable in the range β π β€ π < π.Β Now consider a function If its Fourier series is written as then the valueΒ of π=ββΒ Β π |πΆ3|2 (rounded off to three decimal places) is Β Β Β Β Β Β Β Β Β Β Ans: 0.011
Let π be a variable in the range β π β€ π < π Read More Β»
Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system. Option 1 : OsteichthyesOption 2 : AmphibiaOption 3 : ReptiliaOption 4 : Aves
Q. A projectile of mass 1 kg is launched at an angle of 30Β° from the horizontal direction at π‘ = 0 and takes time π before hitting the ground. If its initial speed is 10 msβ1 , the value of the action integral for the entire flight in the units of kg m2sβ1 (rounded
