BMAT 2008 Section 2 Question 27
Taking the speed of sound in air as 300 m/s and in steel as 4800 m/s. A worker lies next to a railway line and hears the whistle of a…
Taking the speed of sound in air as 300 m/s and in steel as 4800 m/s. A worker lies next to a railway line and hears the whistle of a…
A sample of an alkali XOH of mass 2.8 g was dissolved in water. This solution was neutralised by 12.5 cm3 of sulphuric acid of concentration 2.0 mol dm-3.2 XOH…
Red-green colour blindness is a condition caused by a recessive allele. The gene is carried on the X chromosome. A man is red-green colour blind, which of his relatives must…
A quadratic equation has solutions a and b.a + b = -5 ab = 3What is the equation? Answer: 24) A (x = a) and (x = b)x – a…
A lorry of mass m, and travelling initially at speed v along a horizontal road, is brought to rest by an average braking force F in time t. Ignoring any…
In addition to diamond and graphite, another allotrope of carbon is Buckminster fullerene, C 60, which is in the shape of a sphere. Which one of the following statements applies…
The four statements are about the movement of blood during one complete circuit of the body.1 Blood flowing from the lungs flows through the heart twice.2 All the blood flowing…
The diagram below shows three identical resistors and a battery that supplies a constant 12 V. With the switch open, as shown, the current in resistor Y is 20 mA.…
I stop while out walking and take the bearing of a windmill and note it as θ º. I then walk 5 km north and take the bearing again –…
The general formula for the alkane series is CnH2n+2. The amide series has the same saturated structure as the alkanes but with one H substituted by the -CONH2 group. What…