For a given velocity, a projectile has the same range R for two angles of projection.
For a given velocity, a projectile has the same range R for two angles of projection. If t₁ and t₂…
8 years ago
Physics
A moving coil galvanometer of resistance 100 Ω is converted to ammeter by a resistance
A moving coil galvanometer of resistance 100 Ω is converted to ammeter by a resistance of 0.1 Ω in the…
8 years ago
A bar magnet of pole strength 10 A-m is cut into two equal parts breadthwise.
A bar magnet of pole strength 10 A-m is cut into two equal parts breadthwise. The pole strength of each…
8 years ago
Force required to move a mass of 1kg at rest on a horizontal rough plane
Force required to move a mass of 1kg at rest on a horizontal rough plane (μ = 0.1 and g…
8 years ago
A body of mass 4 kg is accelerated upon by a constant force travels
A body of mass 4 kg is accelerated upon by a constant force travels a distance of 5 m in…
8 years ago
An artificial satellite is revolving round the earth in a circular orbit. Its velocity
An artificial satellite is revolving round the earth in a circular orbit. Its velocity is half the escape velocity. Its…
8 years ago
Periodic time of a satellite revolving above Earth’s surface at a height equal to R,
Periodic time of a satellite revolving above Earth's surface at a height equal to R, radius of Earth is (g=acceleration…
8 years ago
A charge of 100 μC has a potential at a distance of 9 m is
A charge of 100 μC has a potential at a distance of 9 m is Options (a) 10⁶ V (b)…
8 years ago
A hollow sphere of charge does not produce an electric field at any
A hollow sphere of charge does not produce an electric field at any Options (a) Point beyond 2 metres (b)…
8 years ago
A pure semiconductor behaves slightly as a conductor at
A pure semiconductor behaves slightly as a conductor at Options (a) Room temperature (b) Low temperature (c) High temperature (d)…
8 years ago