Physics Syllabus (JEE Main)

Q. The dimensional formula for work is:
  • A. [M^1 L^2 T^-2]
  • B. [M^1 L^1 T^-1]
  • C. [M^0 L^2 T^-1]
  • D. [M^1 L^0 T^0]
Q. The displacement of a simple harmonic oscillator is given by x(t) = A cos(ωt + φ). What is the maximum displacement?
  • A. A
  • B. ω
  • C. φ
  • D. 0
Q. The electric potential due to a uniformly charged sphere at a point outside the sphere is equivalent to that of?
  • A. A point charge at the center
  • B. A point charge at the surface
  • C. A point charge at the edge
  • D. A hollow sphere
Q. The energy of a simple harmonic oscillator is proportional to which of the following?
  • A. Displacement
  • B. Velocity
  • C. Square of amplitude
  • D. Frequency
Q. The equation of motion for a simple harmonic oscillator is given by x(t) = A cos(ωt + φ). What does φ represent?
  • A. Amplitude
  • B. Phase constant
  • C. Angular frequency
  • D. Time period
Q. The equation of motion for a simple harmonic oscillator is given by x(t) = A cos(ωt + φ). What does A represent?
  • A. Angular frequency
  • B. Phase constant
  • C. Amplitude
  • D. Displacement
Q. The expression 4^(x+1) can be rewritten as?
  • A. 2^(2x+2)
  • B. 2^(x+1)
  • C. 2^(x+2)
  • D. 4^x
Q. The gravitational field inside a uniform spherical shell is:
  • A. Zero
  • B. Constant
  • C. Increases linearly
  • D. Decreases linearly
Q. The gravitational field strength at the surface of a planet is 9.8 N/kg. What is the gravitational potential at the surface if the radius of the planet is 6.4 x 10^6 m?
  • A. -62.72 x 10^6 J/kg
  • B. -9.8 J/kg
  • C. -19.6 x 10^6 J/kg
  • D. -39.2 x 10^6 J/kg
Q. The gravitational field strength at the surface of the Earth is approximately 9.8 N/kg. What is the gravitational potential at the surface of the Earth?
  • A. 0 J/kg
  • B. -9.8 J/kg
  • C. -19.6 J/kg
  • D. -39.2 J/kg
Q. The gravitational force acting on a satellite in orbit is dependent on which of the following?
  • A. Mass of the satellite only
  • B. Mass of the Earth only
  • C. Distance from the Earth
  • D. All of the above
Q. The gravitational force between two objects is 10 N. If the distance between them is halved, what will be the new force?
  • A. 20 N
  • B. 40 N
  • C. 10 N
  • D. 5 N
Q. The gravitational potential at a point is defined as the work done in bringing a unit mass from infinity to that point. What is the unit of gravitational potential?
  • A. J/kg
  • B. N/kg
  • C. J/m
  • D. N/m
Q. The gravitational potential at infinity is defined as what value?
  • A. 0
  • B. 1
  • C. -1
  • D. Undefined
Q. The gravitational potential energy of a system of two masses is negative. What does this imply?
  • A. The masses are repelling each other
  • B. The masses are attracting each other
  • C. The system is in equilibrium
  • D. The potential energy is zero
Q. The gravitational potential energy of an object at height h is given by which formula?
  • A. mgh
  • B. gh
  • C. mg/h
  • D. mgh^2
Q. The gravitational potential energy of an object is given by which formula?
  • A. U = mgh
  • B. U = -GMm/r
  • C. U = 1/2 mv^2
  • D. U = Fd
Q. The gravitational potential energy of two masses m1 and m2 separated by a distance r is given by which formula?
  • A. -G(m1*m2)/r
  • B. G(m1*m2)/r
  • C. -G(m1+m2)/r
  • D. G(m1+m2)/r
Q. The heat transfer coefficient in convection depends on which of the following?
  • A. Surface area
  • B. Fluid velocity
  • C. Temperature difference
  • D. All of the above
Q. The length of a rod is measured as 50 cm with an error of 1 cm. What is the minimum possible length?
  • A. 49 cm
  • B. 50 cm
  • C. 51 cm
  • D. 48 cm
Q. The magnetic field inside a long solenoid is?
  • A. Zero
  • B. Uniform
  • C. Non-uniform
  • D. Depends on the current
Q. The mean free path of gas molecules is defined as:
  • A. The average distance traveled between collisions
  • B. The distance traveled in one second
  • C. The distance between two gas containers
  • D. The average distance of gas molecules in a container
Q. The modulus of resilience is defined as:
  • A. The energy per unit volume stored in a material up to the yield point
  • B. The total energy absorbed by a material before fracture
  • C. The ratio of stress to strain
  • D. The maximum stress a material can withstand
Q. The moment of inertia of a composite body can be calculated using which theorem?
  • A. Pythagorean theorem
  • B. Parallel axis theorem
  • C. Perpendicular axis theorem
  • D. Conservation of energy
Q. The moment of inertia of a hollow cylinder about its central axis is given by which formula?
  • A. 1/2 MR^2
  • B. MR^2
  • C. 1/3 MR^2
  • D. 2/3 MR^2
Q. The moment of inertia of a system of particles is calculated by summing which of the following?
  • A. Mass times distance from the axis
  • B. Mass times square of distance from the axis
  • C. Mass times angular velocity
  • D. Mass times linear velocity
Q. The phenomenon of a liquid rising in a narrow tube is called?
  • A. Surface tension
  • B. Capillarity
  • C. Viscosity
  • D. Hydrostatic pressure
Q. The phenomenon of capillary action is primarily due to:
  • A. Surface tension and cohesion
  • B. Surface tension and adhesion
  • C. Viscosity and density
  • D. Gravity and pressure
Q. The phenomenon of liquid rising in a narrow tube is known as?
  • A. Surface tension
  • B. Capillarity
  • C. Viscosity
  • D. Hydrostatic pressure
Q. The potential energy of a system of two point charges q1 and q2 separated by a distance r is given by?
  • A. k * q1 * q2 / r
  • B. k * q1 * q2 * r
  • C. k * (q1 + q2) / r
  • D. k * (q1 - q2) / r
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