Questions

An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m.

An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m. When it is…

The angle between the vectors (i+j) and (j+k) is

The angle between the vectors (i+j) and (j+k) is Options (a) 90⁰ (b) 60⁰ (c) 30⁰ (d) 45⁰ Correct Answer:…

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…

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…

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…

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…

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…

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…

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…

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)…