Question 1
The wavelength of the first overtone of a note in a closed pipe of length 33cm is
Objective
UNIPORT Physics 2010/2011 Model 1 Past Questions
Practice each question, then open it to see the full details.
Question 2
Non-luminous objects can be seen because they
Objective
Question 3
The correct unit of energy density is
Objective
Question 4
The motion of smoke particles from a chimney is typical
Objective
Question 5
One of the properties of gamma rays is that they are
Objective
Question 6
The process whereby the molecules of different substances move randomly is called
Objective
Question 7
The process whereby a liquid turns spontaneously into vapour is called
Objective
Question 8
The velocity of sound in air will be doubled if its absolute temperature is
Objective
Question 9
A thin converging lens has a power of 4.0diopers. determine its focal length
Objective
Question 10
An electric device is rated 2000w, 250v, the correct fuse rating of the device is
Objective
Question 11
Satellite communicate network make use of
Objective
Question 12
If two inductors of inductance 2H and 6H are arranged in series, the total inductance is
Objective
Question 13
The current in a reverse biased junction is due to
Objective
Question 14
In an A.C circuit that contains only a capacitor, the voltage lags behind the current by
Objective
Question 15
The ray which causes gas molecules to glow is known as
Objective
Question 16
The charge carriers in gases are
Objective
Question 17
Which of the following materials is a conductor?
Objective
Question 18
The instrument used for securing a large number of similar charges by induction is called
Objective
Question 19
The pitch of a sound note depends on
Objective
Question 20
In which of the following material media would sound travel faster
Objective