Physics Past Questions and Answers

When a man moves toward a plane mirror at a speed of 6m/s, the distance the man and his image increased at a speed of?

Which of the following instrument is most accurately for comparing electromotive force (e.m.f) of two cells?

In an inelastic collision
I. Energy is conversed
II. Energy is decreased
III. Energy is increased
IV. Linear momentum conversed

In which of the following device in the expansion of solid is a disadvantages?
I. Simple pendulum
II. Fire alarms
III. Thermostat
IV. Bimetallic thermometer

The normal temperature of human body is record at what ranges?