Q. A solid sphere of mass M and radius R rolls without slipping down an inclined plane of height h. What is the speed of the center of mass of the sphere at the bottom of the incline? (2021)
  • A. √(2gh)
  • B. √(3gh/2)
  • C. √(gh)
  • D. √(4gh/3)
Q. A solid sphere of mass M and radius R rolls without slipping down an inclined plane of height h. What is the speed of the center of mass of the sphere when it reaches the bottom? (2021)
  • A. √(2gh)
  • B. √(5gh/7)
  • C. √(3gh/5)
  • D. √(gh)
Q. A sound wave travels through air at a speed of 340 m/s. What is the wavelength of a sound wave with a frequency of 1700 Hz? (2022)
  • A. 0.2 m
  • B. 0.5 m
  • C. 1.0 m
  • D. 2.0 m
Q. A spring is compressed by 0.1 m and has a spring constant of 200 N/m. What is the potential energy stored in the spring? (2019)
  • A. 1 J
  • B. 2 J
  • C. 0.5 J
  • D. 4 J
Q. A spring is compressed by 0.2 m and has a spring constant of 500 N/m. What is the potential energy stored in the spring? (2023)
  • A. 10 J
  • B. 5 J
  • C. 20 J
  • D. 2 J
Q. A stone is thrown downward with an initial velocity of 5 m/s from a height of 45 m. How long will it take to hit the ground? (2020)
  • A. 3 s
  • B. 4 s
  • C. 5 s
  • D. 6 s
Q. A torque of 15 N·m is applied to a wheel with a moment of inertia of 3 kg·m². What is the angular acceleration? (2023)
  • A. 3 rad/s²
  • B. 5 rad/s²
  • C. 10 rad/s²
  • D. 15 rad/s²
Q. A torque τ is applied to a rigid body with a moment of inertia I. If the torque is doubled, what happens to the angular acceleration? (2019)
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. A torque τ is applied to a rigid body with a moment of inertia I. What is the angular acceleration α produced in the body? (2019)
  • A. τ/I
  • B. I/τ
  • C. τ^2/I
  • D. I^2/τ
Q. A train starts from rest and accelerates uniformly at 2 m/s². What is its speed after 10 seconds? (2021)
  • A. 10 m/s
  • B. 20 m/s
  • C. 30 m/s
  • D. 40 m/s
Q. A tuning fork vibrates at a frequency of 440 Hz. What is the time period of its vibration? (2020)
  • A. 0.00227 s
  • B. 0.0045 s
  • C. 0.01 s
  • D. 0.005 s
Q. A tuning fork vibrates at a frequency of 440 Hz. What is the time period of the tuning fork? (2020)
  • A. 0.00227 s
  • B. 0.0045 s
  • C. 0.01 s
  • D. 0.005 s
Q. A uniform rod of length L and mass M is pivoted at one end and allowed to fall under gravity. What is the angular acceleration of the rod just after it is released? (2019)
  • A. g/L
  • B. 2g/L
  • C. 3g/L
  • D. g/2L
Q. A uniform rod of length L and mass M is pivoted at one end and released from rest. What is the angular speed of the rod just before it hits the ground? (2019)
  • A. √(3g/L)
  • B. √(2g/L)
  • C. √(g/L)
  • D. √(4g/L)
Q. A uniform rod of length L and mass M is pivoted at one end and released from rest. What is the angular velocity of the rod just before it hits the ground? (2019)
  • A. √(3g/L)
  • B. √(2g/L)
  • C. √(g/L)
  • D. √(4g/L)
Q. A wave has a frequency of 50 Hz and a wavelength of 2 m. What is the speed of the wave? (2021)
  • A. 25 m/s
  • B. 50 m/s
  • C. 100 m/s
  • D. 200 m/s
Q. A wave has a frequency of 500 Hz and a wavelength of 0.5 m. What is the speed of the wave? (2023)
  • A. 250 m/s
  • B. 500 m/s
  • C. 1000 m/s
  • D. 2000 m/s
Q. A wave has a frequency of 500 Hz and a wavelength of 0.68 m. What is the speed of the wave? (2021)
  • A. 340 m/s
  • B. 500 m/s
  • C. 680 m/s
  • D. 250 m/s
Q. A wheel is rotating with an angular acceleration of 2 rad/s². If it starts from rest, what will be its angular velocity after 5 seconds? (2022)
  • A. 5 rad/s
  • B. 10 rad/s
  • C. 15 rad/s
  • D. 20 rad/s
Q. A wheel is rotating with an angular velocity of 10 rad/s. If it accelerates at 2 rad/s², what will be its angular velocity after 5 seconds? (2023)
  • A. 20 rad/s
  • B. 10 rad/s
  • C. 15 rad/s
  • D. 25 rad/s
Q. A wheel of radius R and mass M is rolling without slipping on a horizontal surface. If it has a linear speed v, what is its total kinetic energy? (2022)
  • A. (1/2)Mv²
  • B. (1/2)Mv² + (1/2)(Iω²)
  • C. (1/2)Mv² + (1/2)(Mv²)
  • D. (1/2)Mv² + (1/2)(Mv²/2)
Q. A wheel of radius R is rolling without slipping on a horizontal surface. If the wheel has an angular velocity ω, what is the linear velocity of the center of the wheel? (2023)
  • A.
  • B. ω/R
  • C. ω
  • D. 2Rω
Q. A wire of length L and diameter d is stretched by a force F. If the diameter is halved while keeping the length constant, what happens to the stress? (2020)
  • A. It doubles
  • B. It quadruples
  • C. It halves
  • D. It remains the same
Q. A wire of length L and diameter d is stretched by a force F. If the diameter is halved, what will be the new elongation for the same force? (2020)
  • A. It will double
  • B. It will quadruple
  • C. It will remain the same
  • D. It will halve
Q. A wire of length L and diameter d is stretched by a force F. If the diameter is halved while keeping the length constant, what happens to the stress in the wire? (2022)
  • A. It doubles
  • B. It quadruples
  • C. It remains the same
  • D. It halves
Q. A wire of length L and diameter d is stretched by a force F. If the diameter is doubled, what will be the new elongation if the same force is applied? (2019)
  • A. L/4
  • B. L/2
  • C. L
  • D. 2L
Q. A wire of length L and diameter d is stretched by a force F. What is the expression for the elongation of the wire? (2020)
  • A. (F * L) / (A * Y)
  • B. (F * Y) / (A * L)
  • C. (Y * A) / (F * L)
  • D. (L * d) / (F * Y)
Q. According to Bernoulli's equation, an increase in the speed of a fluid occurs simultaneously with a: (2020)
  • A. Increase in pressure
  • B. Decrease in pressure
  • C. Increase in temperature
  • D. Decrease in density
Q. According to Bernoulli's principle, an increase in the speed of a fluid occurs simultaneously with a decrease in:
  • A. Pressure
  • B. Temperature
  • C. Density
  • D. Viscosity
Q. According to Bernoulli's principle, an increase in the speed of a fluid occurs simultaneously with a: (2020)
  • A. Increase in pressure
  • B. Decrease in pressure
  • C. Increase in temperature
  • D. Decrease in density
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