CSS Physics MCQs 2019

Q1: The divergence of a vector field is a:

Q2: A body is moving in a circle with constant speed. The work done by the centripetal force is:

Q3: The rotational analogue of mass is:

Q4: A satellite moving round the earth in a circular orbit has:

Q5: The dimension of the coefficient of viscosity is:

Q6: Bernoulli’s equation P + 1\\2 pv^2 + pgh = constant represents conservation of:

Q7: In a simple harmonic motion, the kinetic energy is maximum at:

Q8: The wavelength of fundamental node of a stationary wave on a string of length L fixed at both ends is:

Q9: The efficiency of a Carnot engine working between 127°C and 27°C is:

Q10: The process in which no heat enters or leaves the system is called:

Q11: Entropy of the universe is always:

Q12: Light waves are:

Q13: In Young’s Double Slit Experiment, the central fringe is always:

Q14: Resolving power of a telescope depends on:

Q15: The postulate that \"Laws of physics are the same in all inertial frames of reference\" belongs to:

Q16: Mass-Energy equivalence is given by the relation:

Q17: If the speed of a particle is doubled, its kinetic energy becomes:

Q18: The unit of angular acceleration is:

Q19: For a gas obeying Boyle’s law, if pressure is doubled, volume becomes:

Q20: Which of the following colors has the shortest wavelength?

Q1: Electric potential is a:

Q2: The unit of Permittivity of free space ε_0 is:

Q3: The magnetic force on a charge q moving with velocity v parallel to magnetic field B is:

Q4: Ampere’s Circuital Law is used to find:

Q5: In an AC circuit, the current through a pure inductor _____ the voltage.

Q6: Resonance frequency of an LC circuit is given by:

Q7: The core of a transformer is laminated to reduce:

Q8: A semiconductor has a temperature coefficient of resistance that is:

Q9: Which configuration of a transistor is most commonly used for amplification?

Q10: The width of the depletion region in a PN junction increases under:

Q11: Light Emitting Diode (LED) emits light when it is:

Q12: The minimum energy required to create an electron-positron pair is:

Q13: Which quantum number determines the shape of the orbital?

Q14: Laser light is:

Q15: The moderator used in a nuclear reactor is to:

Q16: Isotones are nuclei having same number of:

Q17: Binding energy per nucleon is maximum for:

Q18: Geiger-Muller counter is primarily used to detect:

Q19: The logic gate represented by the boolean expression Y = \\overline{A + B} is:

Q20: Who proposed the exclusion principle?