1997 - WAEC Physics Past Questions and Answers - page 3
Which of the following is not correct about the Rutherford’s model of an atom?
The ratio of tensile stress to tensile strain is known as
Which of the following statements is not true of nuclear fission?
When a paint brush is removed from clean water, the bristles of the brush are pulled together because of
The half-life of a radioactive material is 6hrs. What quantity of 1kg of the material would decay in 24 hours?
The odor of a leaking gas is perceived at a distance from the source. This is made possible by the process of
Lenz’s law of electromagnetic induction is essentially a statement of the
The relationship between the directions of magnetic field, the current-carrying wire in the field is easily remembered using
The current in the primary coil of a transformer is 2.5A. If the coil has 50 turns and the secondary250 turns, calculate the current in the secondary coil. Neglect energy losses in the transformer
In a photocell, light energy is converted to