Physics
An optically plane surface reflects a beam of light

As diffused beams in all directions
As a parallel beam in one direction
As a diffused beam in one direction
As parallel beams in all directions

ANSWER DOWNLOAD EXAMIANS APP

Physics
Circuit breaker usually operate under

Steady state of short-circuit current
After D. C. component has ceased
Transient state of short-circuit current
Sub-transient state of short-circuit current

ANSWER DOWNLOAD EXAMIANS APP