(a) State Heisenberg's uncertainty principle.

(b) Mention two phenomena that can only be explained in terms of the particulate nature of light.

Tax levied on goods at each stage of their movement from production to the final consumer is known as

• A. customs drawback
• B. ad valorem duty
• C. specific tax
• D. value added tax

Sexual maturity in farm animals is not influenced by their

• A. Breed
• B. Sex
• C. nutrition
• D. wearing age

Which of the following was not part of the Treaty of Hudaybiyyah?

• A. Muhammad (SAW) should not enter Makkah that year
• B. There should be no war for ten years
• C. If anybody wanted to join Muammad (SAW), he should send him back.
• D. Muhammad(SAW) should not be recognized as leader

Choose the option opposite in meaning to the underlined word(s).

In hisnaivety he believed all the stories his friend told him?

• A. artlessness
• B. stupidity
• C. friendliness
• D. incredulity

Insurance Companies are similar to commercial banks in that they

• A. Compensate their customers for losses
• B. act as lender of last resort
• C. help in maintaining monetary stability in a nation
• D. help in mobilizing savings for investment

Which of the following is not a source of a country's constitution?

• A. Legislative decisions
• B. past contitutions
• C. writ of Mandamus
• D. Judicial precedents

international trade is different from internal trade because of the

• A. manufactured goods involved
• B. currency differentials
• C. homogeinty of products
• D. heterogeinty of products

In developing countries, governments influence the location of industries in order to

• A. spread development
• B. redistribute wealth
• C. encourage enterpreneurs
• D. encourage industries to earn high profits

''....The Lord will fight for you, and you have only to be still''. The Lord fought for the people OF Israel on the occasion referred to in the above statement by

• A. drowing the Egyptain army in the Red Sea
• B. opening a chasm in the earth and swallowing their enemies
• C. raining fire and brimstone on their enemies
• D. raining hailstones on their enemies