Theory

CH6 - WORK, ENERGY & POWER

A signal is to be transmitted along a cable system of total length 125 km. The cable has an attenuation of 7 dB km$^{-1}$. Amplifiers, each having a g...

2009 Summer

MCQ

CH6 - WORK, ENERGY & POWER

A projectile is launched at 45° to the horizontal with initial kinetic energy $E$. Assuming air resistance to be negligible, what will be the kin...

2009 Winter

MCQ

CH6 - WORK, ENERGY & POWER

Two trolleys are placed together on a horizontal runway with a compressed spring between them. When they are released, the 2 kg trolley moves to th...

2009 Winter

MCQ

CH6 - WORK, ENERGY & POWER

An electric railway locomotive has a maximum mechanical output power of 4.0 MW. Electrical power is delivered at 25 kV from overhead wires. The overal...

2009 Winter

MCQ

CH6 - WORK, ENERGY & POWER

A force of 1000 N is needed to lift the hook of a crane at a steady velocity. The crane is then used to lift a load of mass 1000 kg at a velocity of 0...

2010 Summer

MCQ

CH6 - WORK, ENERGY & POWER

A constant force $F$, acting on a car of mass $m$, moves the car up the slope through a distance $s$ at constant velocity $v$. The angle of the slope ...

2010 Summer

MCQ

CH6 - WORK, ENERGY & POWER

A constant force $F$, acting on a car of mass $m$, moves the car up the slope through a distance $s$ at constant velocity $v$. The angle of the slope ...

2010 Summer

MCQ

CH6 - WORK, ENERGY & POWER

A force of 1000 N is needed to lift the hook of a crane at a steady velocity. The crane is then used to lift a load of mass 1000 kg at a velocity of 0...

2010 Summer

MCQ

CH6 - WORK, ENERGY & POWER

A constant force $F$, acting on a car of mass $m$, moves the car up the slope through a distance $s$ at constant velocity $v$. The angle of the slope...

2010 Summer

MCQ

CH6 - WORK, ENERGY & POWER

A force of 1000 N is needed to lift the hook of a crane at a steady velocity. The crane is then used to lift a load of mass 1000 kg at a velocity of 0...

2010 Summer

Theory

CH2 - MEASUREMENT TECHNIQUES

(a) State the most appropriate instrument, or instruments, for the measurement of the following. (i) the diameter of a wire of diameter about 1 mm [1...

2009 Summer

Theory

CH4 - DYNAMICS

A ball B of mass 1.2 kg travelling at constant velocity collides head-on with a stationary ball S of mass 3.6 kg, as shown in Fig. 2.1. Frictional ...

2009 Summer

Theory

CH5 - FORCES, DENSITY & PRESSURE

(a) Define the $\emph{torque}$ of a couple.   [2] (b) A torque wrench is a type of spanner for tightening a nut and bolt to a particular to...

2009 Summer

Theory

CH9 - DEFORMATION OF SOLIDS

A spring having spring constant $k$ hangs vertically from a fixed point. A load of weight $L$, when hung from the spring, causes an extension $e$. The...

2009 Summer

Theory

CH15 - SUPERPOSITION

Two sources $S_1$ and $S_2$ of sound are situated 80 cm apart in air, as shown in Fig. 5.1. The frequency of vibration can be varied. The two sourc...

2009 Summer

Theory

CH17 - ELECTRIC FIELDS

Two vertical parallel metal plates are situated 2.50 cm apart in a vacuum. The potential difference between the plates is 350V, as shown in Fig. 6.1.A...

2009 Summer

Theory

CH20 - D.C. CIRCUITS

A network of resistors, each of resistance $R$, is shown in Fig. 7.1.(a) Calculate the total resistance, in terms of $R$, between points(i) A and C,re...

2009 Summer

Theory

CH26 - PARTICLE & NUCLEAR PHYSICS

The spontaneous and random decay of a radioactive substance involves the emission of either $\alpha$-radiation or $\beta$-radiation and/or $\gamma$-ra...

2009 Summer

Theory

CH1 - PHYSICAL QUANTITIES & UNITS

In this experiment you will investigate how the current in a circuit depends on the arrangement of resistors within the circuit. You have been provide...

2009 Summer

Theory

CH1 - PHYSICAL QUANTITIES & UNITS

In this experiment you will investigate the angle of tilt of a bottle when it contains different amounts of water. (a) (i) Use the water supplied to ...

2009 Summer