Physics Syllabus (JEE Main)

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Q. If a rolling object has a mass m and radius r, what is the expression for its total kinetic energy?
  • A. (1/2)mv^2
  • B. (1/2)mv^2 + (1/2)Iω^2
  • C. (1/2)mv^2 + (1/2)mr^2ω^2
  • D. (1/2)mv^2 + (1/2)(2/5)mr^2(ω^2)
Q. If a rolling object has a radius of R and rolls with a speed v, what is its kinetic energy?
  • A. (1/2)mv^2
  • B. (1/2)mv^2 + (1/2)Iω^2
  • C. (1/2)mv^2 + (1/2)(1/2)mR^2(v/R)^2
  • D. None of the above
Q. If a rolling object has a radius R and rolls with an angular velocity ω, what is its linear velocity?
  • A.
  • B. 2Rω
  • C. R/2ω
  • D. 3Rω
Q. If a rolling object has a translational speed of v and a rotational speed of ω, what is the relationship between them for rolling without slipping?
  • A. v = ωR
  • B. v = 2ωR
  • C. v = ω/R
  • D. v = R/ω
Q. If a rotating body has an angular momentum of L and its moment of inertia is I, what is the angular velocity ω of the body?
  • A. L/I
  • B. I/L
  • C. L^2/I
  • D. I^2/L
Q. If a rotating object has a moment of inertia of 4 kg·m² and is spinning with an angular velocity of 3 rad/s, what is its angular momentum?
  • A. 12 kg·m²/s
  • B. 4 kg·m²/s
  • C. 1 kg·m²/s
  • D. 7 kg·m²/s
Q. If a rotating object has a moment of inertia of 5 kg·m² and is rotating with an angular velocity of 3 rad/s, what is its angular momentum?
  • A. 15 kg·m²/s
  • B. 5 kg·m²/s
  • C. 8 kg·m²/s
  • D. 10 kg·m²/s
Q. If a rotating object has a moment of inertia of 5 kg·m² and is spinning with an angular velocity of 3 rad/s, what is its angular momentum?
  • A. 15 kg·m²/s
  • B. 5 kg·m²/s
  • C. 8 kg·m²/s
  • D. 10 kg·m²/s
Q. If a rotating object has a moment of inertia of I and is rotating with an angular velocity ω, what is its rotational kinetic energy?
  • A. 1/2 Iω
  • B. 1/2 Iω^2
  • C. Iω^2
  • D.
Q. If a satellite is in a geostationary orbit, what is its orbital period?
  • A. 24 hours
  • B. 12 hours
  • C. 6 hours
  • D. 1 hour
Q. If a satellite is in a stable orbit, what can be said about the net force acting on it?
  • A. It is zero
  • B. It is equal to the gravitational force
  • C. It is equal to the centripetal force
  • D. It is equal to the sum of gravitational and centripetal forces
Q. If a satellite is launched into a higher orbit, how does its potential energy change compared to its initial orbit?
  • A. It decreases
  • B. It remains the same
  • C. It increases
  • D. It becomes zero
Q. If a satellite is moved to a higher orbit, what happens to its orbital period?
  • A. It decreases.
  • B. It increases.
  • C. It remains the same.
  • D. It becomes zero.
Q. If a satellite is moving in a circular orbit, what is the relationship between its centripetal acceleration and gravitational acceleration?
  • A. Centripetal = Gravitational
  • B. Centripetal > Gravitational
  • C. Centripetal < Gravitational
  • D. No relationship
Q. If a satellite is moving in a circular orbit, what type of energy does it possess?
  • A. Only kinetic energy
  • B. Only potential energy
  • C. Both kinetic and potential energy
  • D. Neither kinetic nor potential energy
Q. If a satellite's altitude is doubled, how does its orbital speed change?
  • A. Increases by √2
  • B. Decreases by √2
  • C. Remains the same
  • D. Increases by 2
Q. If a satellite's altitude is increased, what happens to its orbital period?
  • A. It decreases
  • B. It increases
  • C. It remains constant
  • D. It becomes zero
Q. If a satellite's speed is greater than the escape velocity, what will happen?
  • A. It will enter a stable orbit
  • B. It will escape Earth's gravitational pull
  • C. It will crash into the Earth
  • D. It will remain in a circular orbit
Q. If a satellite's speed is less than the required orbital speed, what will happen?
  • A. It will remain in orbit.
  • B. It will fall back to Earth.
  • C. It will escape into space.
  • D. It will move to a higher orbit.
Q. If a simple harmonic oscillator has a frequency of 1 Hz, what is the time period?
  • A. 0.5 s
  • B. 1 s
  • C. 2 s
  • D. 4 s
Q. If a simple harmonic oscillator has a maximum displacement of 5 cm, what is the amplitude?
  • A. 2.5 cm
  • B. 5 cm
  • C. 10 cm
  • D. 0 cm
Q. If a simple harmonic oscillator has a total energy E, what is the kinetic energy when the displacement is half of the amplitude?
  • A. E/4
  • B. E/2
  • C. 3E/4
  • D. E
Q. If a soap film is formed on a wire frame, what is the effect of adding more soap to the film?
  • A. Surface tension increases
  • B. Surface tension decreases
  • C. Surface tension remains the same
  • D. Surface tension becomes zero
Q. If a solenoid has n turns per unit length and carries a current I, what is the magnetic field inside the solenoid?
  • A. 0
  • B. μ₀nI
  • C. μ₀I/n
  • D. μ₀I
Q. If a solid cylinder is rotated about its diameter, what is its moment of inertia?
  • A. 1/2 MR^2
  • B. 1/4 MR^2
  • C. 1/3 MR^2
  • D. MR^2
Q. If a solid cylinder rolls without slipping, what fraction of its total kinetic energy is translational?
  • A. 1/3
  • B. 1/2
  • C. 2/3
  • D. 1
Q. If a solid cylinder rolls without slipping, what is the ratio of its translational kinetic energy to its rotational kinetic energy?
  • A. 1:1
  • B. 2:1
  • C. 1:2
  • D. 3:1
Q. If a solid disk rolls without slipping, what fraction of its total energy is translational at the bottom of an incline?
  • A. 1/4
  • B. 1/3
  • C. 1/2
  • D. 2/3
Q. If a solid sphere and a hollow sphere have the same mass and radius, which one will roll down an incline faster?
  • A. Solid sphere
  • B. Hollow sphere
  • C. Both will roll at the same speed
  • D. Depends on the angle of incline
Q. If a solid sphere and a solid cylinder of the same mass and radius are released from rest at the same height, which will have a greater speed at the bottom?
  • A. Solid sphere
  • B. Solid cylinder
  • C. Both have the same speed
  • D. Depends on the mass
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