Cross-section view of a prism is the equilateral triangle ABC in the figure. The minimum deviation is observed using this prism when the angle of incidence is equal to the prism angle. The time taken by light to travel from P (midpoint of BC) to A is ______________ $$\times$$ 10^$$-$$10 s. (Given, speed of light in vacuum = 3 $$\times$$ 10⁸ m/s and cos30$$^\circ$$ = $${{\sqrt 3 } \over 2}$$)

A resistor dissipates 192 J of energy in 1s when a current of 4A is passed through it. Now, when the current is doubled, the amount of thermal energy dissipated in 5s in _________ J.