A block of mass 5 kg is moving horizontally at a speed of 1.5 m/s. A perpendicular force
A block of mass 5 kg is moving horizontally at a speed of 1.5 m/s. A perpendicular force of 5…
8 years ago
Physics
Two springs with spring constants K₁=1500 N/m and K₂=3000 N/m
Two springs with spring constants K₁=1500 N/m and K₂=3000 N/m are stretched by the same force. The ratio of potential…
8 years ago
If R is the radius of earth, the height at which the weight of a body 1/4 of its weight
If R is the radius of earth, the height at which the weight of a body 1/4 of its weight…
8 years ago
A satellite A of mass m is at a distance r from the centre of earth. Another satellite
A satellite A of mass m is at a distance r from the centre of earth. Another satellite B of…
8 years ago
A particle of mass 1.96×10⁻¹⁵ kg is kept in equilibrium between two horizontal metal
A particle of mass 1.96x10⁻¹⁵ kg is kept in equilibrium between two horizontal metal plates having potential difference of 400V…
8 years ago
A battery charges a parallel plate capacitor seperated by distance(d) so that the energy
A battery charges a parallel plate capacitor seperated by distance(d) so that the energy (V₀) is stored in the system.…
8 years ago
Pure Si at 300 k has equal electrons (nₑ) and hole (nh) concentrations
Pure Si at 300 k has equal electrons (nₑ) and hole (nh) concentrations of 1.5x10⁺¹⁶ m⁻³. Dopping by indium, nh…
8 years ago
Which gate can be obtained by shorting both the input terminals of a NOR gate?
Which gate can be obtained by shorting both the input terminals of a NOR gate? Options (a) NOT (b) OR…
8 years ago
In case of linearly polarised light, the magnitude of the electric field vector
In case of linearly polarised light, the magnitude of the electric field vector Options (a) does not change with time…
8 years ago
A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series with a…
8 years ago