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

MCQ

CH15 - SUPERPOSITION

The diagram shows a standing wave on a string. The standing wave has three nodes $N_1$, $N_2$ and $N_3$. Which statement is correct?

2009 Winter

MCQ

CH15 - SUPERPOSITION

A parallel beam of light of wavelength 450 nm falls normally on a diffraction grating which has 300 lines/mm. What is the total number of transmitted...

2009 Winter

Theory

CH15 - SUPERPOSITION

(a) State what is meant by a progressive wave.   [2] (b) The variation with distance x along a progressive wave of a quantity y, at a parti...

2009 Winter

Theory

CH15 - SUPERPOSITION

A uniform string is held between a fixed point P and a variable-frequency oscillator, as shown in Fig. 5.1. The distance between point P and the os...

2009 Winter

MCQ

CH15 - SUPERPOSITION

Using monochromatic light, interference fringes are produced on a screen placed a distance $D$ from a pair of slits of separation $a$. The separation ...

2010 Summer

MCQ

CH15 - SUPERPOSITION

Diagram 1 shows a ripple tank experiment in which plane waves are diffracted through a narrow slit in a metal sheet. Diagram 2 shows the same tank wi...

2010 Summer

MCQ

CH15 - SUPERPOSITION

The diagram shows a steel wire clamped at one end and tensioned at the other by a weight hung over a pulley. A vibration generator is attached to t...

2010 Summer

MCQ

CH15 - SUPERPOSITION

The diagram shows a steel wire clamped at one end and tensioned at the other by a weight hung over a pulley. A vibration generator is attached to t...

2010 Summer

MCQ

CH15 - SUPERPOSITION

Diagram 1 shows a ripple tank experiment in which plane waves are diffracted through a narrow slit in a metal sheet. Diagram 2 shows the same tank wi...

2010 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The SI unit for potential difference (the volt) is given, in base units, by

2010 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The product of pressure and volume has the same SI base units as

2010 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

An ion is accelerated by a series of electrodes in a vacuum. A graph of the power supplied to the ion is plotted against time.What is represented by t...

2010 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

A vector quantity $V$ is resolved into two perpendicular components $X$ and $Y$. The angle between $V$ and component $X$ is $\theta$. The angle betwee...

2010 Summer

MCQ

CH3 - KINEMATICS

The diagram shows a velocity-time graph for a vehicle. The vehicle, moving at 4.0 ms-1, begins to accelerate at time = 0. What is the vehicle's ac...

2010 Summer

MCQ

CH3 - KINEMATICS

A small steel ball falls freely under gravity after being released from rest. Which graph best represents the variation of the height $h$ of the ball...

2010 Summer

MCQ

CH4 - DYNAMICS

Two equal masses travel towards each other on a frictionless air track at speeds of $60 \text{ cm s}^{-1}$ and $40 \text{ cm s}^{-1}$. They stick toge...

2010 Summer

MCQ

CH4 - DYNAMICS

A brick weighing 20 N rests on an inclined plane. The weight of the brick has a component of 10 N parallel with the plane. The brick also experiences ...

2010 Summer

MCQ

CH4 - DYNAMICS

The diagram shows two identical spheres X and Y. Initially, X moves with speed v directly towards Y. Y is stationary. The spheres collide elastical...

2010 Summer

MCQ

CH5 - FORCES, DENSITY & PRESSURE

Forces of 3 N, 4 N and 5 N act at one point on an object. The angles at which the forces act can vary. What is the value of the minimum resultant for...

2010 Summer