BMAT 2007 Section 2 Question 8
An oxide of iron has the formula Fe3O4 and contains both Fe^2+ and Fe^3+ ions. Which one of the following is the fraction of iron ions that are in the…
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9 January 2024
BMAT 2007 Section 2 Question 7
A 100 % efficient transformer has 1500 turns on its primary coil. The input to the transformer is 250V ac. The output current is 10A and the output power is…
9 January 2024
BMAT 2007 Section 2 Question 6
The oscillation period, t, for a spiral spring (weight w, radius R made from wire length l, radius r with a modulus of rigidity n) with a weight W hanging…
9 January 2024
BMAT 2007 Section 2 Question 4
The equation connects the variables A, x, y, z, P and Q The following changes are made:x and y are both increased by 50 %z is decreased by 20 %P…
9 January 2024
BMAT 2007 Section 2 Question 3
A detector of radioactivity shows background radiation to be 20 counts per minute with no radioactive sources nearby. A radioactive source which emits alpha particles and beta particles is brought…
9 January 2024
BMAT 2007 Section 2 Question 2
Element x is in the second period of the Periodic Table. An atom of element y has six moreprotons than an atom of element x. Which statement must be correct?…
9 January 2024
BMAT 2006 Section 2 Question 27
A small conducting sphere is held at a fixed distance from a larger sphere which is continually charged by a generator. The surface area of the large sphere is 0.04m^2,…
9 January 2024
BMAT 2006 Section 2 Question 26
a is inversely proportional to the square of b.When a = 9 , b = 4.What is the positive value of b when a = 4 ? Answer: 26) A…
9 January 2024
BMAT 2006 Section 2 Question 25
In stars four protons, p, are fused together to form helium, He, with a mass of four units, by the following processes. Which one of the following shows the overall…
9 January 2024
BMAT 2006 Section 2 Question 24
The statements are about respiration.1 Aerobic respiration releases more energy per unit mass of glucose than anaerobic respiration.2 Aerobic respiration in muscles causes an oxygen debt to occur.3 Aerobic respiration…
9 January 2024