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(a) What is diffusion? (b) State two factors which affect the rate of diffusion. Explanation (a) Diffusion is…

(a) What is diffusion? (b) State two factors which affect the rate of diffusion. Explanation (a) Diffusion is…

 Explain the rise of water in a glass capillary tube using the kinetic theory. Explanation Water and glass…

 Explain the rise of water in a glass capillary tube using the kinetic theory. Explanation Water and glass…

(a)(i) Explain photoelectric emission. (ii) State four applications of photoelectric emission. (b) Draw and label a diagram showing…

(a)(i) Explain photoelectric emission. (ii) State four applications of photoelectric emission. (b) Draw and label a diagram showing…

(a)(i) What is meant by neutral point in a magnetic field? (ii) Draw and label a diagram to…

(a)(i) What is meant by neutral point in a magnetic field? (ii) Draw and label a diagram to…

a) (i) Illustrate, using a ray diagram, how an image can be formed by a convex mirror. (ii)…

(a) Using the kinetic theory of matter, explain why;  (i) Evaporation causes cooling (ii) Boiling water changes to…