Questions and answers normally not answered by students in physics

Name the Physical quantities to be kept constant for Ohm’s law to be true.  State the Principle of a potentiometer. (The students say that potential drop is proportional to length but the constant quantities are not mentioned) How can we increase the sensitivity of a potentiometer?  Define figure of merit of a galvanometer. Which has more resistance – a galvanometer or a milliammeter?  How...

Continue reading →

GRAPH DRAWINGS TECHNIQUES

GRAPH DRAWING INTRODUCTION Most of practical in physics involves drawing of graphs as a key element in any physics practical RULES USED IN GRAPH DRAWING The following are the most important rules required to follow in drawing a graphs.  i.        Write the...

Continue reading →

4.0 THE FORMAT OF ANY PHYSICS EXPERIMENTS,

THE FORMAT OF PHYSICS EXPERIMENTS, The experiments are presented in the form of self-instructional material in the following format 1) Aim: It defines the scope of the experiment. 2) Objectives: The objectives of an experiment give you an idea about the skills or the knowledge that you are...

Continue reading →

3.0 GENERAL INSTRUCTIONS FOR LABORATORY PRACTICALS:

GENERAL INSTRUCTIONS: 1. You must arrive on time since instructions are given and announcements are made at the start of class. 2. Awork station and lab partners will be assigned to you in the first lab meeting. You will do experiments in a group but you are expected to bear your share of...

Continue reading →

2.0 GENERAL LABORATORY RULES

ü  All Laboratory Students, Assistants, Faculty, and Staff must abide by the following safety rules when using the Physics Laboratory. This list may be modified as deemed appropriate for specific situations. ü  Follow directions carefully when using any laboratory apparatus to prevent...

Continue reading →

1.0 PHYSICS PRACTICAL S FOR O LEVEL.

PHYSICS PRACTICAL S               O LEVEL Introduction Laboratories offer an ideal opportunity to learn and strengthen, by means of actual observations, some of the principles and laws of physics that are taught to you in general...

Continue reading →

Common Physics Laboratory Apparatus and their uses

Physics Lab Equipment  Ring & Ball Apparatus ,  It is used for demonstrating thermal expansion, comprising a captive brass ball secured to a mounted brass ring by a chain. Ring mounted on rod with a wooden handle. The ball passes through the ring when cold but will not pass through...

Continue reading →