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El Salvador, Central America’s smallest nation, has become the first country in the world to ban metals mining nationwide following a long-running dispute with a Canadian-Australian company over an environmentally questioned gold project. El Salvador is desperate for cash — it is seeking to secure a lifeline from the IMF as its debt is expected to exceed 60 per cent of gross domestic product by the end of 2017
The ratio of the amplitudes of the electric field and magnetic field strengths has the same dimensions as that of:
What process causes white light to split into its constituent colors?
If mass is doubled and velocity is tripled, how will kinetic energy change?
Ratio of intensities of two waves with amplitudes 2 and 3 is:
In which type of motion does the velocity of a body vary with time?
According to Kepler’s third law of planetary motion, the square of the orbital period of a planet is proportional to the __________.
Two long parallel wires 2 cm apart carry 5 A and 3 A currents in the same direction. What is the force per unit length on one wire?
A particle of mass m is placed in a potential V(x) = ax² + bx⁴. For small oscillations around equilibrium, its time period is:
The force of attraction between two masses is called —
The ratio of the total distance traveled by a body to the total time taken is its:
