UNICAL Physics 2018/2019 Past Questions

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

A 10g mass placed on the pan of a spring balance causes an extension of 5cm. If a 15g mass is placed on the pan of the same spring balance the extension is

A.3.3cm
B.6.5cm
C.7.5cm
D.10.8cm
E.15.0cm

The force with which an object is attracted to the earth is its

A.acceleration
B.mass
C.gravity
D.weight
E.momentum

A train has an initial velocity of 44m/s and an acceleration of -4m/s2. Its velocity after 10s is

A.2m/s
B.4m/s
C.8m/s
D.12m/s
E.16m/s

A man of mass 50kg ascends a flight of stairs 5m high in 5 seconds. If the acceleration due to gravity is 10m/s², the power expended is

A.500W
B.400W
C.250W
D.200W
E.100W

Longitudinal waves do not exhibit.

A.refraction
B.reflection
C.diffraction
D.polarization

The unit of quantity of electricity is called

A.amperes
B.the volt
C.the coulomb
D.the ammeter