CSS Physics MCQs 2023

Q1: Two physical quantities having same dimensions are:

Q2: Melting point of Ice _______ when the pressure is increased:

Q3: Special theory of Relativity treats problems involving:

Q4: The mass of a body on moon is 40kg, what is its weight on earth.

Q5: In which region of earth the weight of a body is slightly greater?

Q6: What is the change in phase if a wave is reflected from a denser medium?

Q7: Which of the following does not exhibit polarization?

Q8: The intensity of a wave is proportional to the square of its:

Q9: The dimension of coefficient of viscosity i:

Q10: Surface tension ________:

Q11: From Kepler\'s law of orbit, we can infer that the sun is located _______ of the planet\'s orbit.

Q12: What does Kepler\'s law of period co-relate?

Q13: What is the value of the current in a wire of 10cm long at the right angle to a uniform magnetic field of 0.5 Weber/m² when the force acting on the wire is 5N?

Q14: Magnetic force acting on a unit positive charge moving perpendicular to the magnetic field with a unit velocity is called:

Q15: The volume of a parallelepiped bounded by Vectors A,B and C can be obtained from the relation:

Q16: If l, m, n are the direction cosines of a position vector a, then which of the following is true?

Q17: Transverse component of the central force acting on a particle to keep it moving along circular path is:

Q18: If the velocity of the particle becomes doubled then its K.E:

Q19: When a constant torque is acting on a rotating system, which of the following is constant?

Q20: Fermi-Dirac statistics cannot be applied to:

Q1: Charge is distributed uniformly on the surface of a large flat plate. The electric field 2 cm from the plate is:

Q2: A point particle with charge q is at the center of a Gaussian surface in the form of a cube. The electric flux through any one face of the cube is:

Q3: A hollow metal sphere is charged to a potential V. The potential at its center is:

Q4: If the plate separation of an isolated charged parallel-plate capacitor is doubled:

Q5: A uniform magnetic field is in the positive z direction. A positively charged particle is moving in the positive x direction through the field. The net force on the particle can be made zero by applying an electric field in what direction?

Q6: A constant current is sent through a helical coil. The coil:

Q7: You push a permanent magnet with its north pole away from you toward a loop of conducting wire in front of you. Before the north pole enters the loop the current in the loop is:

Q8: An electron traveling with speed v around a circle of radius r is equivalent to a current of:

Q9: The Fermi energy of a metal depends primarily on:

Q10: In an unbiased p-n junction:

Q11: The Fermi-Dirac occupancy probability P(E) varies between:

Q12: The binding energy per nucleon:

Q13: The sievert is the correct unit to use in reporting the measurement of:

Q14: Two protons are separated by 10^-10 m. The nuclear (N), electrostatic (E), and gravitational (G) forces between these protons, in order of increasing strength, are:

Q15: Which of the following particles is stable?

Q16: Some alpha emitters have longer half-lives than others because:

Q17: The force exerted on a magnetic dipole as it moves with velocity v through a Stern-Gerlach apparatus is:

Q18: (Added) Which logic gate output is HIGH only when all inputs are LOW?

Q19: (Added) In a Transistor (BJT), the region with the moderate doping and largest size is:

Q20: (Added) The wavelength associated with a particle of mass m moving with velocity v is given by: