Physics

A particle of mass M is suited at the centre of a spherical shell of same mass and radius

A particle of mass M is suited at the centre of a spherical shell of same mass and radius a.…

The radii of circular orbits of two satellites A and B of the earth, are 4R and R

The radii of circular orbits of two satellites A and B of the earth, are 4R and R respectively. If…

Two satellites of earth, S₁ and S₂ are moving in the same orbit. The mass of S₁

Two satellites of earth, S₁ and S₂ are moving in the same orbit. The mass of S₁ is four times…

The kinetic energy needed to project a body of mass m from the surface of earth

The kinetic energy needed to project a body of mass m from the surface of earth (radius R) to infinity…

Two planets at mean distances d₁ and d₂ from the sun have their frequencies n₁ and n₂

Two planets at mean distances d₁ and d₂ from the sun have their frequencies n₁ and n₂ respectively. Then Options…

The ratio of radii of planets A and B is K₁ and ratio of accelerations

The ratio of radii of planets A and B is K₁ and ratio of accelerations due to gravity on them…

The acceleration due to gravity near the surface of a planet of radius R and density d

The acceleration due to gravity near the surface of a planet of radius R and density d is proportional to…

A satellite is launched into a circular orbit of radius R around earth while

A satellite is launched into a circular orbit of radius R around earth while a second satellite is launched into…

If the density of earth is doubled keeping its radius constant then acceleration

If the density of earth is doubled keeping its radius constant then acceleration due to gravity will be (g=9.8 m/s²)…

The input signal given to a CE amplifier having a voltage gain of 150 is

The input signal given to a CE amplifier having a voltage gain of 150 is Vi=2 cos (15t+π/3). The corresponding…