SPSC - Subject Specialist Physics 2023 Past Paper with Answers

Practice the SPSC - Subject Specialist Physics 2023 past paper with 50 solved MCQs, answers and topic coverage.

50 solved MCQs across 1 approved paper

Which one of the following constants is not related to radiation?Answer: Boltzmann’s constant A radio transmission from an astronaut on the moon will be received how much later on the Earth? (The million meters from the Earth).Answer: 1.28 s Over-damping results in _____?Answer: Slower return to equilibrium During one oscillation, phase of oscillation changes by _____?Answer: 2π rad The principle of transformer is _____?Answer: Mutual induction In Ampere's law, the integration is over a ______?Answer: Closed path The equation E = mc^2 indicates that energy _____?Answer: And mass are closely related A rheostat can be used as a _____?Answer: Both A and B The change in Entropy is zero for _____?Answer: Reversible adiabatic processes The Synonym of "Prodigal" is?Answer: Wasteful The range of the coulomb's force is _____?Answer: Infinite If the distance between the charges doubles, the coulomb's force between the charges _____?Answer: One-fourth Average distance covered by alpha particle (α-particle) in air before its ionizing power ceases is called its?Answer: Range An isotope is _____?Answer: An atom with a specified number of protons and neutrons Which one of the following is more coherent?Answer: Laser A student added three figures 72.1, 3.32 and 0.003. The correct answer regrading the rules of the addition of the significant figures will be ______?Answer: 75.4 Which of the following does not apply in nanotechnology?Answer: Newtonian mechanics can describe it The full form of STM is _____?Answer: Scanning Tunneling Microscope The structure of Na⁺Cl⁻ is _____?Answer: Face-centered cubic (FCC) Refractive index of materials is approximately equal to the square root of _____?Answer: Electrical permittivity × Magnetic permeability Phase difference between a node and an antinode is _____?Answer: 90° A sphere, a cube and a thin circular plate, all made of the same material and having the same mass are initially heated to a temperature of 3000°K, which of these will cool fastest?Answer: Plate The dependence of the mobility of charge carriers in a semiconductor is given by _____?Answer: μ ∝ 1/T¹/² Ferromagnetic materials are obtained from _____?Answer: Nickel Data are stored in a random access memory (RAM) during the _____?Answer: Write operation The atomic diameter of a BCC crystal (if a is lattice parameter) is _____?Answer: a/(4/√3) Which of the following is the correct relation between current density and magnetization?Answer: J = Curl(M) A positive change moving with a constant velocity v enters a region of a uniform magnetic field pointing out the page. What is the direction of the magnetic force on the charge?Answer: To the bottom of the page Force exerted on a person by atmosphere is _____?Answer: 200000 N For an electronic state s = 1, and 1 = 1, the number of possible values of total angular momentum of an electronic are _____?Answer: 3