# PHYSICS FORM ONE REVISION QUESTIONS | ALL TOPICS

PHYSICS FORM ONE REVISION QUESTIONS | ALL TOPICS.

INTRODUCTION TO PHYSICS

(ii)Give three states of matter..

(b)Give the application of physics at home. At least five application.

(a) Medicine

(b) Agriculture

(c) Industries.

Contents

## INTRODUCTION TO LABORATORY PRACTICE

(b)Give five features of a good laboratory.

(b)Mention five laboratory rules.

(b)Give at least six causes of a laboratory accident?

(ii) First aid kit?

(b)List ten components of the first aid kit and clearly state the use of each when

attending a victimized person.

## MEASUREMENTS IN PHYSICS

Give four (4) examples of each .

(i) A beam balance ?

(ii) Spring balance ?

## DENSITY AND RELATIVE DENSITY

FORCES

(b) State and define the SI Unit of force.

(b) Give the two types of friction

(b)Name three best ways of reducing friction

## ARCHIMEDES PRINCIPLE AND LAW OF FLOATATION.

(b)A block of metal density 2700kg/m3 has a volume  of 4.0 x 10-2m3. Calculate:-

(b)A piece of cork with volume 100cm3 is floating on water. If the density of cork is 0.25g/cm3.

(Assume mass of 1gm has weight of 0.01N).

(c)Ice has a density about 0.9g/cm3.What fraction of the volume of an ice berg is

submerged in water?

(b). A cube of wood volume 0.2m3 and density 600kg/m3 is placed in a liquid of density 800kg/m3.

## STRUCTURE AND PROPERTIES OF MATTER.

(b)Mention the three states of matter and give four (4) examples on each state.

(b)Explain why;

(b)What change would you expect to see in the movement if the air was cooled down?

(b)Briefly explain why water wets in glass but mercury does not?

(b)What is meant by elastic limit.

## PRESSURE

(b)Define Pascal as a unit of force.

(b)An open U- tube pressure gauge containing water shows a different in level of 15cm when connected to a gas  supply. Find in N/m2,the excess pressure of the gas above atmospheric pressure in N/m2,the excess pressure of the gas above Atmospheric pressure.

(b)The atmospheric pressure on a  particular day was measured as 750mmhg.What is this pressure when it is measured  in Pascal’s (Pa) (N/m2).   (g)= 10n/kg

Recommended  Measurement - Physics Form 1

(b) The air pressure at the base of a mountain is 750cmHg and at the top is 60.0cmHg. Given that the average density of air is 1.25kg/m3  and the density of mercury is 13600kg/m3; Calculate the height of the mountain.

(b) In an experiment using Hare’s apparatus, the lengths of methanol  and water

Columns were found to be  16cm to 12.80cm respectively.

(b) A rectangular log of wood of density 200kg/m3 has dimensions ;

0.3m x 0.5 m x 0.6m.

## WORK, ENERGY  AND  POWER.

Given;- acceleration due to gravity (g)= 10N/kg.

(b)A ball of mass 0.2kg is dropped from a height of 20M.On impact with the ground it loses 30J of energy. Calculate the height it reaches on the rebound.

(b)Give the condition necessary for the work to be done.

(b)A car of mass 1200kg is brought to rest by a uniform force of 300N, in 80sec.

What was the speed of the car?

(b)Mention at least five (5) forms of energy

(c)State the principle of conservation of energy.

(b)A man whose mass is 75kg walks up a flight of 12steps each 20cm high in 5sec.

## LIGHT (SOURCE, TRANSMISSION and REFLECTION)

(b) Briefly explain why is light a form of energy.

(b) Give three examples of each of the types of materials mentioned in (a) above.

(c) Mention and explain the types of shadows.

(ii) a beam of light?

(b) With the aid of diagrams; give the three types of beams of light.

(b) With the aid of well labeled diagrams, differentiate the two types of reflection of light.

(b) Give the common characteristics of the image formed by a plane mirror.

(b) Give the common characteristics of the image formed by a pin hole camera.

(b) Draw a labelled diagram of a simple periscope.

## FORCES IN EQUILIBRIUM.

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(b) A mechanic applies a force of 300N to un do a tight nut at a point on a spanner

which is 90cm from the nut. Calculate the moment of the force.

parallel force.

Give one example of each.

(b)The magnitude of moment of a force about a point is 1000Nm and the applied is 600N. find the perpendicular distance between the point and the line of action of the force.

(b) Define center of gravity of an object.

(c)A half meter rule is pivoted at 10cm mark and balanced horizontally when a 45g mass is hung from 1cm mark. If the rule is uniform; calculate its weight.

( use: 1g mass = 0.01N