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…
7 years ago
Physics
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…
7 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…
7 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…
7 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…
7 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…
7 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,…
7 years ago
The optical path of a monochromatic light is same if it goes through 4.0 cm
The optical path of a monochromatic light is same if it goes through 4.0 cm of glass or 4.5 cm…
7 years ago
A bullet of mass 0.05 kg moving with a speed of 80 m/s enters a wooden
A bullet of mass 0.05 kg moving with a speed of 80 m/s enters a wooden block and is stopped…
7 years ago
A light emitting diode(LED) has a voltage drop of 2 volt across it
A light emitting diode(LED) has a voltage drop of 2 volt across it and passes a current of 10 mA…
7 years ago