# THE MOST ASKED TOPICS IN JAMB PHYSICS

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**THE MOST ASKED TOPICS IN JAMB PHYSICS**

If you are a science student and writing jamb physics, it’s highly paramount that you know the most asked topics in jamb physics.

It’s true that thousands of students take jamb form repeated year after year because they keep missing out the most important thing.

Knowing the most asked topics in jamb physics will help you prepare very well for your jamb exam. It has been proven that most people fail exams, not because they didn’t prepare, but because they didn’t prepare the right way.

Like you will know, it’s not enough to score 200 in jamb, but to score far above 200 is what really matters.

**SEE ALSO:1. How to manage your time during jamb exam2. Importance of using jamb past questions3. Jamb physics recommended textbooks**

**Jamb Physics Syllabus**

The Jamb Physics Syllabus is available by * CLICKING HERE. *Students who have seen the Jamb syllabus often get frustrated because of the large number of topics.

The 2019 Jamb Physics syllabus has 35 different topics. Although, I will encourage you to study all 35 topics so that you blast the Jamb exam. Get this now, “** Efficiency is all you need”**.

It is better to study 75% of the topics in Jamb syllabus to blast Jamb with ease rather than studying all the 35 topics on the Jamb syllabus and yet you can’t still answer the questions from those topics.

**WHAT JAMB SET IN PHYSICS**

The format given below is not in order of precedence and should not be taken as such. All topics as list below should be taken keenly if one is to do well in the next jamb examination.

Scalars and Vectors:

Scalars and Vectors:

Scalars and vectors are one of the topics that jamb set questions from yearly. There is hardly any year Jamb doesn’t set questions from scalars and vectors.

This is why it is very important you abreast yourself with this topic and how the questions are set or asked.

Now, let’s take a look at the format with which jamb may likely ask questions from Scalars and Vectors.

**(i) You might be asked to differentiate between scalar and vector quantities.(ii) You might be asked on the various examples of scalar and vector quantities.**

**(iii) Know how to solve simple relative velocity questions.**

**(iv)Also, know how to find the resultant of two or more vectors with a different configuration of angles(0,30,60,180 degrees).**

**(v) Know how to resolve vectors into their component forms.**

(vi) You may be given two vectors inclined at an angle and asked to find the resultant and also the direction.

(vii) You may even be given two scalar quantities and be asked to find their relativeness.

(vi) You may be given two vectors inclined at an angle and asked to find the resultant and also the direction.

(vii) You may even be given two scalar quantities and be asked to find their relativeness.

**NOTE: Know the major difference between Scalar Quantities and Vector Quantities, how to resolve vector quantities etc.**

Measurements and Units:

Measurements and Units:

Measurement and units might be set so get ready as it is another of jamb physics hot topics. You are to be able to:

**i. identify the units of length, area, and volume;****ii. Use different measuring instruments(most especially vernier calipers and micrometer)****iii. Also, note the degree of accuracy of the various measuring devices****iv. Determine the lengths, surface areas and volume of regular and irregular bodies;****v. Identify the unit of mass as well as the concept of mass and weight.****vi. Identify the unit of time;****vii. Use different time-measuring devices;****viii. Relate the fundamental physical quantities to their units;****ix. Deduce the units of derived physical quantities;****x. Determine the dimensions of physical quantities**

Motion:

Motion:

**Linear motion:** This part is divided into two aspects kinematics and dynamics. For kinematics aspect, you are to understand and be able to apply the equations of motion to solve problems. For the dynamics part, you need to be able to apply the newtons law of motion to solve problems as it is another jamb physics hot topics. The concept of linear momentum is also needed.

**Circular motion:** This is aspect it is very necessary for you to know the conversion of rpm to rad/s (revolution per minute). Also, you are to know the formula to find tangential velocity. Knowledge of simple harmonic motion is also required as it is another jamb physics hot topics.

|Work, Energy and Power:

|Work, Energy and Power:

This is another crucial topic that always comes out every year in Jamb as it is another jamb physics hot topics. Students are required to understand the following under this topic fully.

**i. differentiate between work, energy and power;****ii. compare different forms of energy, giving examples;****iii. apply the principle of conservation of energy;****iv. examine the transformation between different forms of energy;****v. interpret the area under the force -distance curve.****vi. solve numerical problems in work, energy and power.****vii. itemize the sources of energy****viii. distinguish between renewable and non- renewable energy, examples should be given****ix. identify methods of energy transition****x. explain the importance of energy in the development of society****xi. analyze the effect of energy use to the environment****xi. identify the impact of energy on the environment**

Simple Machines:

Simple Machines:

A simple machine is a topic that is usually set by Jamb almost every year so it is important for students to grasp this topic in physics as it is another jamb physics hot topics.

(i) definition of simple machines

(ii) types of machines

(iii) mechanical advantage, velocity ratio and efficiency of machines

**Objectives:**

Candidates should be able to:

**i. identify different types of simple machines;****ii. solve problems involving simple machines.**

Pressure:

Pressure:

For pressure it is important you know how to do the following as it is another jamb physics hot topics:

i. recognise the S.I units of pressure; (Pa)

ii. identify pressure measuring instruments;

iii. relate the variation of pressure to a height;

iv. use a barometer as an altimeter.

v. determine the relationship between pressure, depth and density;

vi apply the principle of transmission of pressure

in liquids to solve problems;

vii. determine and apply the principle of pressure in liquid:

Liquids At Rest:

Liquids At Rest:

**This is another Jamb Physics Hot Topics**

You should be able to:

i. distinguish between density and relative density of substances;

ii. determine the upthrust on a body immersed in a liquid

iii. apply Archimedes’ principle and the law of floatation to solve problems;

Temperature and Its Measurement:

Questions from temperature and its measurement are also always set as it is another jamb physics hot topics.

**Make sure you are able to:**

i. identify thermometric properties of materials that are used for different thermometers;

ii. calibrate thermometers;

iii. differentiate between temperature scales e.g Celsius and Kelvin.

iv. compare the types of thermometers;

vi. convert from one scale of temperature to another.

Quantity of Heat:

Questions on heat and heat capacity are always set every year so you are expected to as it is another jamb physics hot topics:

i. differentiate between heat capacity and specific heat capacity;

ii. determine heat capacity and specific heat capacity using simple methods;

iii. solve numerical problems

Light Energy:

**You should be able to:**

i. compare the natural and artificial sources of light;

ii. differentiate between luminous and non luminous objects;

iii. relate the speed, frequency and wavelength of light;

iv. interpret the formation of shadows and eclipses;

v. solve problems using the principle of operation of a pin-hole camera.

Reflection of Light at Plane and Curved Surfaces:

Reflection of Light at Plane and Curved Surfaces:

Topics like this are constantly appearing in Jamb past question.

i. compare the natural and artificial sources of light;

ii. differentiate between luminous and non-luminous objects;

iii. relate the speed, frequency and wavelength of light;

iv. interpret the formation of shadows and eclipses;

v. solve problems using the principle of operation of a pin-hole camera.

Refraction of Light Through at Plane and Curved Surfaces

Refraction of Light Through at Plane and Curved Surfaces

This is another Jamb Physics Hot Topics

You are to be able to do the following:

i. interpret the laws of reflection;

ii. illustrate the formation of images by plane, concave and convex mirrors;

iii. apply the mirror formula to solve optical problems;

iv. determine the linear magnification;

v. apply the laws of reflection of light to the working of periscope, kaleidoscope and the s

vi. interpret the laws of reflection;

vii. determine the refractive index of glass and liquid using Snell’s law;

viii. determine the refractive index using the principle of real and apparent depth;

ix. determine the conditions necessary for total internal reflection;

x. examine the use of periscope, prism, binoculars, optical fibre;

xi. apply the principles of total internal reflection to the formation of mirage;

xii. use of lens formula and ray diagrams to solve optical numerical problems;

xiii. determine the magnification of an image;

xiv. calculate the refractive index of a glass prism using minimum deviation formula

Electric Cells:

This is another Jamb Physics Hot Topics

Candidates should be able to:

i. identify the defects of the simple voltaic cell and their correction

ii. compare different types of cells including solar cell;

iii. compare the advantages of lead-acid and Nikel iron accumulator;

iv. solve problems involving series and parallel combination of cells.

**Thermal Expansion**:

This is another Jamb Physics Hot Topics

You should be able to:

i. determine linear and volume expansivities;

ii. assess the effects and applications of thermal expansivities

iii. determine the relationship between different expansivities.

iv. determine volume, apparent, and real expansivities of liquids;

v. analyse the anomalous expansion of water.

Change of State:

Change of State:

This is another Jamb Physics Hot Topics

Candidates should be able to:

i. differentiate between latent heat and specific latent heats of fusion and vaporization;

ii. differentiate between melting, evaporation and boiling;

iii. examine the effects of pressure and of dissolved substance on boiling and melting points.

iv. solve numerical problems

Structure of Matter and Kinetic Theory

This is another Jamb Physics Hot Topics

You should be able to:

i. differentiate between atoms and molecules;

ii. use molecular theory to explain Brownian motion , diffusion, surface, tension, capillarity, adhesion, cohesion and angle of contact;

iii. examine the assumptions of kinetic theory;

iv. interpret kinetic theory, the pressure exerted by gases Boyle’s law, Charle’s law melting, boiling vaporization, change in temperature, evaporation, etc.

**Other major topics include;**

Heat Transfer

Waves

Propagation of Sound Waves

Light Energy

Dispersion of light and colours

an optical instrument

AC circuit

Magnets and magnetic

Nuclear and atomic physics

Introduction to electronic physics

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