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One of the factors that affect the surface tension of a liquid is the presence of impurities. State one other factor.

10/7/2020

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K.C.S.E Physics Q & A - MODEL 2003PP1QN11

One of the factors that affect the surface tension of a liquid is the presence of impurities. State one other factor.

answer

Temperature

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K.C.S.E Physics Q & A - MODEL 2003PP1QN03

10/7/2020

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K.C.S.E Physics Q & A - MODEL 2003PP1QN03

Figure 3 shows two identical trolleys with loads A and B. The loads are identical in shape and size.

Given that the density of A is greater than that of B, explain why the trolley in figure 3(ii) is more suitable.

answer

Low density / weight / mass lowers Cog Lower Cog increases stability. Or higher mass / weight / density raises Cog. Higher Cog. reduces stability.

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K.C.S.E Physics Q & A - MODEL 2003PP1QN02

10/7/2020

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K.C.S.E Physics Q & A - MODEL 2003PP1QN02

Two identical spring balances R and S each weighing 0.5N are arranged as shown in Figure 2.

What is the reading on balance R?

answer

30.0 + 0.5 = 30.5 (No mark if working not shown)

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A high jumper usually lands on thick soft mattress. Explain how the mattress helps in reducing the force of impact.

10/7/2020

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K.C.S.E Physics Q & A - MODEL 2002PP1QN20

A high jumper usually lands on thick soft mattress. Explain how the mattress helps in reducing the force of impact.

answers

Mattress increases stopping time/time of collision increased this reduces the rate of change of momentum.

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K.C.S.E Physics Q & A - MODEL 2001PP2QN03

9/7/2020

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K.C.S.E Physics Q & A - MODEL 2001PP2QN03

a) a hole of area 2.0 cm2 at the bottom of a tank 2.0m deep is closed with a cork. Determine the force on the cork when the tank is filled with water. (Density of water is 1000kg/m3 and acceleration due to gravity is 10m/s2).

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FORM I - PHYSICS SYLLABUS

Introduction to Physics (4 Lessons)
Measurements 1 (12 Lessons)
Force (16 Lessons)
Pressure (24 Lessons)
Particulate Nature of Matter (12 Lessons)
Thermal Expansion (12 Lessons)
Heat Transfer
Rectilinear Propagation of Light and Reflection at Plane Surface (16 Lessons)
Electrostatics (12 Lessons)
Cells and Simple Circuits (12 Lessons)

FORM II - PHYSICS SYLLABUS

Magnetism (12 Lessons)
Measurements II (16 Lessons)
Turning Effect of Force (10 Lessons)
Equilibrium Centre of Gravity (12 Lessons)
Reflection at Curved Surfaces (16 Lessons)
Magnetic Effect of Electric Current (18 Lessons)
Hooke's Law (8 Lessons)
Waves (14 Lessons)
Sound (12 Lessons)
Fluid Flow (14 Lessons)

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FORM III - PHYSICS SYLLABUS

Linear Motion (20 Lessons)
Refraction of Light (20 Lessons)
Laws of Motion (15 Lessons)
Energy, Power and Machines (20 Lessons)
Current Electricity (20 Lessons)
Waves II(10 Lessons)
Electrostatics II (15 Lessons)
Heating Effect of Electric Current (10 Lessons)
Quantity of Heat (20 Lessons)
Gas Laws (15 Lessons)

FORM IV - PHYSICS SYLLABUS

Thin Lenses (20 Lessons)
Uniform Circular Motion (10 Lessons)
Floating and Sinking (15 Lessons)
Electromagnetic Spectrum (15 Lessons)
Electromagnetic Induction (20 Lessons)
Mains Electricity (10 Lessons)
Cathode Rays and Cathode Ray Tube (10 Lessons)
X-rays (8 Lessons)
Photoelectric Effect (15 Lessons)
Radioactivity (15 Lessons)
Electronics (10 Lessons)

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One of the factors that affect the surface tension of a liquid is the presence of impurities. State one other factor.

One of the factors that affect the surface tension of a liquid is the presence of impurities. State one other factor.

K.C.S.E Physics Q & A - MODEL 2003PP1QN03

K.C.S.E Physics Q & A - MODEL 2003PP1QN03

K.C.S.E Physics Q & A - MODEL 2003PP1QN02

K.C.S.E Physics Q & A - MODEL 2003PP1QN02

A high jumper usually lands on thick soft mattress. Explain how the mattress helps in reducing the force of impact.

A high jumper usually lands on thick soft mattress. Explain how the mattress helps in reducing the force of impact.

K.C.S.E Physics Q & A - MODEL 2001PP2QN03

K.C.S.E Physics Q & A - MODEL 2001PP2QN03

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FORM I - PHYSICS SYLLABUS

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FORM III - PHYSICS SYLLABUS

FORM IV - PHYSICS SYLLABUS

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