Environmental Physics Question Paper

Environmental Physics

Course:Bachelor Of Environmental Studies

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2009/2010
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
ENVIRONMENTAL SCIENCE
ENS 130: ENVIRONMENTAL PHYSICS

DATE: Monday 21st December, 2009 TIME: 11.00 a.m. – 1.00 p.m.

INSTRUCTIONS
Answer Question 1 and any other 3 questions.

1. (a) Describe
the
key
problems with energy management in Kenya.

[6 marks]
(b)
What are transuranic elements and why are they considered to be
dangerous
substances? [4
marks]
(c)
Discuss the sources and types of radioactive wastes.
[15 marks]

2.
Write short notes on the following:
i)
Longitudinal
waves
[3
marks]

ii)
Frequency

[3 marks]
iii)
Combined
gas
law
[3
marks]
iv)
Thermal
conduction
[3
marks]
v)
Sublimation
[3
marks]

3.
(a)
Describe the electronmagnetic spectrum including its key physical
Properties.
[10
marks]

(b)
Discuss the consequences of radioactive wastes.

[5 marks]

4.
Having been assigned to be the Government of Kenya’s representative to an
international conservation body, you are required to develop a sessional paper on
issues related to Energy and Environment. Enumerate and discuss the key topical
issues that you would include in your document.

[15 marks]

5.
(a)
Using an illustration, discuss the energy balance.

[8 marks]
(b)
Kenya is currently experiencing inadequate electricity power supply for
industrial and domestic use due to insufficient rains. The Government of
Kenya intends to seek alternative power supply sources including nuclear
energy. As the Public Health Manager, discuss the objectives and options
of the nuclear waste management.

[7 marks]

……………………….

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