b) Sketch velocity time graphs to illustrate each of the following:
Uniform motion;
Uniform acceleration.
2a) Define the following terms as applied to simple harmonic motion:
i) amplitude
ii) period
b)
i) State two factors that determine the pressure at a point in a liquid
ii) With the aid of a diagram, describe the operation of a siphon.
c)
A body B moving with a velocity of 20ms collides with another body A, moving in the same direction on the same horizontal line, with a velocity of 10 ms collides with another body A, moving in the same direction on the same horizontal line, with a velocity of 10 ms . If the mass of body A is three times the mass of body B, and the collision is perfectly elastic.
Calculate the
i.Velocities of A and B after the collision.
ii. Velocity of B relative to that of A after the collision
3a) Define the following terms as used with a machine: Mechanical advantage Efficiency
b)
i) Define the Kelvin scale of temperature on a constant volume gas thermometer.
ii) Draw and label the diagram of a constant volume gas thermometer.
c) The temperature of a gas is increased from 27°C to 127°C at constant pressure. lf the initial volume of the gas is 2.0 cm , calculate the change in volume of the gas
DittoDitto always
4a) Define specific latent heat and state its unit
b)
i) State two effects of heat
ii) Use the kinetic theory to explain briefly, heat transfer by convection.
c) Describe briefly an experiment to determine the specific latent heat of fusion of ice by the method of mixtures.
5a) Draw ray diagrams to illustrate each of the following light phenomena:
i) reflection, ii) refraction,
b) The lens equation may be put in the form uv=(u+v)f
State what each of the symbols in the equation represents?
Describe briefly an experiment to determine the focal length of a converging lens using the lens equation.
c) The angle of minimum deviation of a 60° Triangulum' glass prism is 39°.
Calculate the refractive index of the glass material.
blogpay
The lord our God be with you!.
Total Comments: 0