S.1 Physics Holiday self assessment work

The S.I Unit of weight is
1. Kilogrammes (Kg)
2. Newton (N)
3. Centimetres (cm)
4. Grammes (g)
Mass is defined as the
1. amount of content
2. force acting on a body
3. quantity of matter in a body
4. weight in a body
When you convert 6.84mm to cm, you get
1. 0.00648cm
2. 0.0648cm
3. 684cm
4. 0.648cm
Relative density is defined as
1. ratio of mass of any volume of a substance to the mass of an equal volume of water
2. ratio of mass of any volume of water to the mass of an equal volume of a substance
3. ratio of mass of any volume of diesel to the mass of an equal volume of a paraffin
4. ratio of mass of any volume of water to the mass of an equal volume of paraffin
A cuboid of dimensions 100cm³ and mass 150g. Find the density in kgm^-3
1. 0.015kgm^-3
2. 15kgm^-3
3. 1.5x10³kgm^-3
4. 1500kgm^-3
The thickness of a molecule is 0.000000001m. This can be written as
1. 1.0x10⁹m
2. 1.0x10^-9m
3. 1.0x10¹⁰m
4. 1.0x10⁸m
Which of these is can be used to find the diammeter of a copper wire?
1. Tape measure
2. Vernier caliper
3. Metre rule
4. Micrometer screw gauge
The following are basic units except
1. kilogram
2. Newtons
3. metres
4. seconds
A spherical stone has a mass of 1546kg and if its radius is 2.0cm. Find the density of the stone in gm^-3
1. 4.6848kgm³
2. 0.046848kgm³
3. 46.848kgm³
4. 0.00004648kgm³
Density can be calculated from
1. Mass/Volume
2. Mass x Volume
3. Volume/Mass
4. area x height
A stone of density 5gcm^-3 is dropped in a measuring cylinder containing a liquid. The liquid level rises from 25cm³ to 55cm³. Calculate the mass of the liquid displaced by the stone.(Take density of liquid as 1.2gcm^-3)
1. 0.36g
2. 150g
3. 0.15g
4. 3.6g
Fundamental quantities are defined as
1. quantities that cannot be expressed in terms of other quantities
2. quantities that can be expressed in terms of other quantities
3. quantities that can be expressed a percentage of other quantities
4. quantities that cannot be expressed as a percentage of other quantities
The intermolecular forces is strong in solids than liquids. This is becuase;
1. they are not fixed in one position in which they vibrate
2. they are fixed in one position in which they vibrate
3. they are not fixed in one position in which they vibrate
4. they are not fixed in one position in which they vibrate
The displacement method is used to measure the volume of
1. nice objects
2. regular objects
3. irregular objects
4. shaped objects
Calculate the weight of a body on the moon whose weight on earth is 250N if its acceleration due to gravity id 1.6kgm^-2
1. 0.0064N
2. 0.4N
3. 156.25N
4. 40N
When water spreads on a glass plate the force between its molecules and glass molecules are due to
1. Adhesion
2. Surface tension
3. Cohesion
4. Viscosity
Three of the fundamental physical quantities are;
1. length , time and weight
2. volume, temperature, pressure
3. Density mass and time
4. length, time and mass
The weight of a body on earth is 800N. What is the weight of the same body on a different planet, if its acceleration due to gravity is 1/5 ^th to that on earth.
1. 120N
2. 160N
3. 1600N
4. 3200N
The speed with which molecules move about inside a gas depends on their
1. mass and temperature
2. enclosure and mass
3. area and temperature
4. volume and area
A cylindrical tank has a radius of 70cm and a height of 2m.The capacity in litres of this tank when full of water is
1. 140 litres
2. 30.8x10^-3 litres
3. 3.08x10³litres
4. 14000litres

S.1 Physics Holiday self assessment work

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