A body of mass 2 kg is kept by pressing to a vertical wall by a force of 100 N
A body of mass 2 kg is kept by pressing to a vertical wall by a force of 100 N.…
8 years ago
Questions
A current is flowing through resistance. A potential difference of 120 V
A current is flowing through resistance. A potential difference of 120 V is applied across resistance. Power dissipated in resistance…
8 years ago
The time period of bar magnet is doubled when magnetic field is reduced
The time period of bar magnet is doubled when magnetic field is reduced by same amount. If initial magnetic field…
8 years ago
Two charges placed in air repel each other by a force of 10⁻⁴ N. When oil is
Two charges placed in air repel each other by a force of 10⁻⁴ N. When oil is introduced between the…
8 years ago
A tuning fork gives 4 beats with 50 cm length of a sonometer
A tuning fork gives 4 beats with 50 cm length of a sonometer. If the length of the wire is…
8 years ago
To what temperature should the hydrogen at room temperature (27°C) be heated at constant
To what temperature should the hydrogen at room temperature (27°C) be heated at constant pressure so that the RMS velocity…
8 years ago
Two bodies of mass 0.25 kg each moving towards each other with velocity
Two bodies of mass 0.25 kg each moving towards each other with velocity 3 m/s and 1 m/s respectively. After…
8 years ago
A particle of mass m executes simple harmonic motion with amplitude
A particle of mass m executes simple harmonic motion with amplitude a and frequency v. The average kinetic energy during…
8 years ago
Two waves represented by following equations are travelling in same medium
Two waves represented by following equations are travelling in same medium y1=5 sin 2π (75t - 0.25x) and y2=10 sin…
8 years ago
The wheel of a car is rotating at the rate of 1200 rev/min. On pressing
The wheel of a car is rotating at the rate of 1200 rev/min. On pressing the accelerator for 10 seconds,…
8 years ago