Physics Syllabus (JEE Main)

Q. In a single-slit diffraction experiment, what happens to the width of the central maximum as the slit width decreases?
  • A. It increases
  • B. It decreases
  • C. It remains the same
  • D. It becomes zero
Q. In a single-slit diffraction pattern, how does the intensity of the central maximum compare to the first minimum?
  • A. Equal
  • B. Twice
  • C. Four times
  • D. Half
Q. In a single-slit diffraction pattern, how does the intensity of the first minimum compare to the intensity of the central maximum?
  • A. It is equal
  • B. It is half
  • C. It is zero
  • D. It is one-fourth
Q. In a single-slit diffraction pattern, how many minima are there on either side of the central maximum?
  • A. One
  • B. Two
  • C. Three
  • D. Infinite
Q. In a single-slit diffraction pattern, the width of the central maximum is 4 mm. If the slit width is halved, what will be the new width of the central maximum?
  • A. 2 mm
  • B. 4 mm
  • C. 8 mm
  • D. 16 mm
Q. In a single-slit diffraction pattern, what is the angle for the first minimum if the slit width is 0.5 mm and the wavelength of light is 600 nm?
  • A. 30°
  • B. 60°
  • C. 45°
  • D. 15°
Q. In a single-slit diffraction pattern, what is the angle for the first minimum?
  • A. sin(θ) = λ/a
  • B. sin(θ) = 2λ/a
  • C. sin(θ) = 3λ/a
  • D. sin(θ) = 0
Q. In a single-slit diffraction pattern, what is the angular position of the first minimum?
  • A. sin(θ) = λ/a
  • B. sin(θ) = 2λ/a
  • C. sin(θ) = 3λ/a
  • D. sin(θ) = 0
Q. In a single-slit diffraction pattern, what is the angular width of the central maximum if the slit width is 0.5 mm and light of wavelength 500 nm is used?
  • A. 0.1 rad
  • B. 0.2 rad
  • C. 0.3 rad
  • D. 0.4 rad
Q. In a single-slit diffraction pattern, what is the angular width of the central maximum if the slit width is 0.5 mm and the wavelength of light is 500 nm?
  • A. 0.1 rad
  • B. 0.2 rad
  • C. 0.3 rad
  • D. 0.4 rad
Q. In a single-slit diffraction pattern, where is the first minimum located?
  • A. At θ = 0
  • B. At θ = λ/a
  • C. At θ = a/λ
  • D. At θ = 2λ/a
Q. In a situation where two parallel wires carry currents in the same direction, what is the nature of the force between them?
  • A. Attractive
  • B. Repulsive
  • C. No force
  • D. Depends on the distance
Q. In a solenoid carrying current, the magnetic field inside the solenoid is:
  • A. Zero
  • B. Uniform and directed along the axis
  • C. Non-uniform and directed radially
  • D. Variable and depends on the distance from the center
Q. In a solenoid carrying current, what is the direction of the magnetic field inside the solenoid?
  • A. Perpendicular to the axis of the solenoid
  • B. Along the axis of the solenoid
  • C. Radially outward from the solenoid
  • D. Zero inside the solenoid
Q. In a solenoid carrying current, what is the direction of the magnetic field inside the solenoid according to Ampere's Law?
  • A. From south to north
  • B. From north to south
  • C. Perpendicular to the axis
  • D. Radially outward
Q. In a solenoid carrying current, what is the magnetic field inside the solenoid?
  • A. Zero
  • B. μ₀nI
  • C. μ₀I
  • D. μ₀I/(2n)
Q. In a solenoid, if the number of turns per unit length is doubled, what happens to the magnetic field inside the solenoid?
  • A. It doubles
  • B. It remains the same
  • C. It halves
  • D. It quadruples
Q. In a solenoid, what factor does NOT affect the strength of the magnetic field inside it?
  • A. Number of turns per unit length
  • B. Current through the solenoid
  • C. Length of the solenoid
  • D. Permeability of the core material
Q. In a solenoid, what happens to the magnetic field strength if the number of turns is doubled while keeping the current constant?
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. In a solenoid, what is the effect of increasing the number of turns per unit length on the magnetic field strength?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. In a solenoid, what is the expression for the magnetic field inside it when it carries a current I?
  • A. B = μ₀nI
  • B. B = μ₀I/2πr
  • C. B = μ₀I/4πr²
  • D. B = μ₀I/n
Q. In a standing wave, the points of maximum displacement are called:
  • A. Nodes
  • B. Antinodes
  • C. Crests
  • D. Troughs
Q. In a standing wave, what is the distance between two consecutive nodes?
  • A. λ/2
  • B. λ
  • C.
  • D.
Q. In a standing wave, what is the point called where there is no displacement?
  • A. Node
  • B. Antinode
  • C. Crest
  • D. Trough
Q. In a standing wave, what is the position of the nodes?
  • A. Points of maximum amplitude
  • B. Points of minimum amplitude
  • C. Points of zero displacement
  • D. Points of maximum energy
Q. In a standing wave, what is the relationship between the nodes and antinodes?
  • A. Nodes are points of maximum amplitude
  • B. Antinodes are points of zero amplitude
  • C. Nodes are points of zero amplitude
  • D. Antinodes are points of minimum amplitude
Q. In a system of two particles, if one particle has an angular momentum of L1 and the other has L2, what is the total angular momentum of the system?
  • A. L1 + L2
  • B. L1 - L2
  • C. L1 * L2
  • D. L1 / L2
Q. In a system of two rotating bodies, if one body has twice the moment of inertia of the other, how does their angular momentum compare if they rotate with the same angular velocity?
  • A. The same
  • B. Twice as much
  • C. Half as much
  • D. Four times as much
Q. In a system of two rotating disks, if disk A has twice the moment of inertia of disk B and they are both rotating with the same angular velocity, what can be said about their angular momentum?
  • A. LA = LB
  • B. LA = 2LB
  • C. LA = 4LB
  • D. LA = 1/2 LB
Q. In a temperature-resistivity graph, what does the slope represent for a metallic conductor?
  • A. Resistivity
  • B. Temperature coefficient of resistivity
  • C. Resistance
  • D. Conductivity
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