The far point of a normal human eye is infinity

Indicate whether the statement is true or false


TRUE

Physics & Space Science

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In a solar hot-water system, the hot-water tank is maintained at 130°C. It is desired to have the solar heater heat the feed water going into the tank to 180°C. Determine the amount of heat per kilogram of water required from the solar heater to heat the water from 130°C to 180°C. Assume that the hot-water heater runs at constant pressure.

What will be an ideal response?

Physics & Space Science

The inflationary theory of the universe may explain why the background radiation is so isotropic

Indicate whether the statement is true or false

Physics & Space Science

A fixed charge of 10 nC sits at the origin. A charge of 9nC is places at (4m, 3m).

a) Find the electric potential energy of the 9 n charge b) Find the work required to move the 9 n charge from its initial position to (-6m, 8m).

Physics & Space Science

An inductor stores energy in its magnetic field

A) True B) False

Physics & Space Science