UNIZIK Physics 2020/2021 Past Questions

Which of the following is not a measurable parameter of sound?

A target is 100m from a gun and the nozzle speed 400m/s, what angle of projection will ensure a hit?

In walking across a carpet, you will acquire a net negative charge of 100Mc. How many excess electrons do you have?

The image formed by a convex mirror is always

A ray undergoes a minimum deviation at 40° when it is incident on an equilateral triangular glass prism. Calculate the refractie index of the prism

Total internal reflection occurs in an optical prism when light rays

A lever is used to overcome a load of 50N by applying an effort of 10N. Find the mechanical advantage of the level.

A pure spectrum can be produced by using a

According to the kinetic theory, the kelvin temperature of an ideal gas is proportional to

In an elastic collision, momentum is conserved as well as

The dimensions of momentum are

A convex lens of focal length 10.0cm is used to form a real image which is half the size of the object. How far from the object is the image?

Consider 8.0g of ice initially at 0°C heated to 10°C.If the latent heat of fusion ice is 320kJ/kg, estimate the total heat supplied to the ice

The relation given by heat loss per second $$Q = ks(T - T_{R}),$$ Where S id the surface area of the body, $$T_{R}$$ is the temperature of its surrounding, k is a constant depending on the nature of the surface and Q denotes the heat lost from the body represents

Identify the incorrect statement below: