Physics Questions

For a certain reaction,DGq = -45 kJ/mol and DHq= -90 kJ/mol at 0°C. What is the minimum temperature at which the reaction will become spontaneous, ifDHq and DSq are independent of temperature?

Find the resistance (in mega Ω) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200 Ωm.

Transformer is a device to convert

The strength of a force is usually expressed by its __________.

A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be____.

Bending of light rays in denser medium is termed as:

For which one of the following does the centre of mass lie outside the body?

The magnitude of buoyant force depends on the .......... of the fluid.