CUET Questions — Physics

Q11. A long straight wire of circular cross section with radius 'a' carries steady current 'I' which is uniformly distributed across the cross-section. The magnetic field in the region r < a and r > a

Q28. For insulators and semiconductors, the resistance decreases with increase in temperature because (a) number density decreases (b) number density of charge carriers increases (c) Resistivity does

Q34. Match List - I with List - II. List - I (A) Resistive Circuit (B) Purely inductive or capacitive circuit (C) LCR series circuit (D) Power dissipated at resonance in LCR circuit List - II (I) No p

Q32. What is the work done in moving a dq charge from A to B?

Q38. Which of the following diagram correctly shows the electrostatic properties of a charged conductor. (Given V₀ = potential on the surface of conductor; ρ = Volume charge density.)

Q24. the shape of a wavefront when light emerging out of a convex lens when a parallel beam of light incident over it is, (a) Parabolic (b) Plane (c) Cylindrical (d) Spherical

Q41. The colour of the third band of a colour coded carbon resistor of resistance 2.3 × 10² Ω would be:

Q34. The wavelength of radiation emitted, when He⁺ makes a transition from the state n = 3 to the state n = 2 will be: (Take Rydberg constant R - 1.097 x 10⁷ m⁻¹) (a) 1.641 nm (b) 164.1 nm (c) 16.41 u

Q43. In free space, all components of the complete electromagnetic spectrum have the same (a) energy (b) velocity (c) frequency (d) intensity

Q5. Two identical circular wires P and Q each of radius R and carrying current I are kept in perpendicular planes such that they have a common centre as shown in figure. Find the magnitude and directi