The ordinalist approach of utility postulated that utility can be

• A. Rank
• B. Measurable
• C. Rise
• D. Fall

The words in capital letters have the emphatic stress. Choose the option to which the given sentence relates. My house is a BUNGALOW

• A. Is my house a terrace ?
• B. was my house a bungalow?
• C. Is my house the bungalow?
• D. Is his house a bungalow?

Pharoah's horsemen and his army overtook the fleeing Hebrews, encamped by the sea, at

• A. Migdol
• B. Etham
• C. Succoth
• D. Pihahiroth

After three half lifes, the fraction of a radioactive material that has decayed is

• A. \(\frac{1}{8}\)
• B. \(\frac{1}{3}\)
• C. \(\frac{2}{3}\)
• D. \(\frac{7}{8}\)

Find the unit vector in the direction opposite to the resultant of forces. F\(_1\) = (-2i - 3j) and F\(_2\) = (5i - j)

• A. \(\frac{1}{5}\)(-3i - 4j)
• B. \(\frac{1}{5}\)(-3i + 4j)
• C. \(\frac{1}{5}\)(3i - 4j)
• D. \(\frac{1}{5}\)(3i + 4j)

The protagonist is the

• A. author
• B. villain
• C. hero
• D. speaker

The major objective of a revenue allocation formula in a country is to

• A. share revenue between the different tiers of government
• B. divert revenue from areas of surplus to areas of need
• C. ensures the financial viability of the country
• D. share revenue between the public and private factors

To reduce the high rate of inflation in the economy, the government should?

• A. increase taxes and have a budget surplus
• B. increase taxes and have a budget defilicit
• C. decrease taxes and have a budget defilicit
• D. decrease taxes and have a balance budget

The contest on Mount Carmel was to prove that

• A. Baal was the god of Israel
• B. Baal controlled nature
• C. God was supreme to another gods
• D. Israel had faith in God

(a)(i) What is a wave motion?

(ii) State two differences between a radio wave and a sound wave.

(b)(i) Given that you are provided with a tuning fork, a burette and other necessary apparatus, describe with the aid of a diagram, an experiment to determine the frequency of a note emitted by a source of sound. [assume the velocity of sound in air is known]

(ii)State two precautions necessary to obtain accurate result in the experiment described in (b)(i) above

(c) A pipe closed at one end is 100 cm long. If the air in the pipe is set into vibration and a fundamental note is produced, calculate the frequency of the note. [ velocity of sound in air = 340 ms\(^{-1}\)]