IMSU Physics 2019/2020 Model Past Questions

Practice each question, then open it to see the full details.

The melting point of naphthalene is 78°C. What is the temperature in Kelvin?

A.100 K
B.351 K
C.378 K
D.444 K

Which of the following is true of light and sound waves?

A.they both transmit energy
B.they both need a medium for propagation
C.they are both transverse eaves
D.their velocity in air are equal

When the bottom tip of a vibrating tuning fork is held in contact with a wooding box a louder sound is heard. This phenomenon is known as ___.

A.Beats
B.Echoing
C.Resonance
D.Reverberation

The current capacity of an accumulator is rued at 80 ampere-hours. How long is such an accumulator expected to give a current of 20 ampere?

A.2 hours
B.3 hours
C.4 hours
D.5 hours

Which of the following normally produces a virtual magnified image?

A.Camera
B.Binocular
C.Microscope
D.Cine-projector