UNIZIK Physics 2015/2016 Day 1 Past Questions

A certain radioactive source emits radiations that were found to be deflected by both magnetic and electric fields. The radiations are

A cell can supply currents of 0.4A and 0.2A through a 4.0 ohms and 10.0 ohms resistors respectively. The internal resistance of the cell is

The particle emitted when ³⁹K_{19 decays to ³⁹K19 is}

If an object is placed between two parallel plane mirrors with their reflecting surfaces facing each other, how many images of the object will be formed?

In the calibration of an ammeter using Faraday's laws of electrolysis, the ammeter reading is kept constant at 1.20A. If 0.990g of copper is deposited in 40minutes, the correction to be applied to the ammeter is
[e.c.e of copper = 3.3x 10^-4 g/C]

A cell of internal resistance 0.01 ohms can be measured accurately by using the

The phenomenon whereby the water droplets in the atmosphere combine with dust particles in the air to reduce visibility is

X-rays can be used in the study of crystal structures because they

In a tuned radio receiver R, L, C series circuit for resonance, the inductive and capacitive reactance X_L and X_C respectively are related as

When a piece of rectangular glass block is inserted between two parallel plate capacitor at constant plate area and distance of separation, the capacitances of the capacitor will

A student is at a height 4m above the ground during a thunderstorm. Given that the potential difference between the thundercloud end the ground is 107V, the electric field created by the storm is

The driving mirror of a car has a radius of curvature of 1m. A vehicle behind the car is 4m from the mirror. Find the image distance behind the mirror

Pure silicon can be converted to a p-type material by adding a controlled amount of

The phenomenon that makes sound persist when its source has been removed is known as