Theory

CH5 - THERMAL EFFECTS

(a) Four identical metal plates, at the same temperature, are laid side by side on the ground. The rays from the Sun fall on the plates.One plate has ...

2010 Summer

3

Theory

CH5 - THERMAL EFFECTS

Which pair contains only physical quantities that vary with temperature and so could be used in making a thermometer?A activity of a radioactive sour...

2012 Summer

2

Theory

CH5 - THERMAL EFFECTS

A certain substance is in the solid state at a temperature of -36°C. It is heated at a constant rate for 32 minutes. The record of its temperature is...

2010 Summer

3

Theory

CH5 - THERMAL EFFECTS

In an experiment, some of a substance changes from a liquid to a gas. The temperature of the remaining liquid changes because of this.What is the name...

2009 Summer

3

Theory

CH5 - THERMAL EFFECTS

(a) Equal volumes of a gas held at constant pressure, a liquid and a solid undergo the same temperature rise.(i) State which of the three, solid, liqu...

2011 Winter

2

Theory

CH5 - THERMAL EFFECTS

To mark the lower fixed point of a Celsius scale on a thermometer, the thermometer should be placed inA. pure alcohol.B. pure distilled water.C. pure ...

2011 Winter

3

Theory

CH5 - THERMAL EFFECTS

A block of ice cream is prevented from melting by wrapping it in newspaper soaked in water. The water evaporates from the newspaper.Which molecules es...

2010 Winter

2

Theory

CH5 - THERMAL EFFECTS

The graph shows the change in temperature of a substance as it is heated steadily.Which part of the graph shows when the substance is boiling?

2009 Summer

3

Theory

CH5 - THERMAL EFFECTS

Which change is condensation? [Image depicting changes between solid, liquid, and gas with arrows labeled A, B, C, D]

2010 Winter

2

Theory

CH5 - THERMAL EFFECTS

Four blocks, made of different materials, are each given the same quantity of internal energy (heat).Which block has the greatest thermal capacity?[Im...

2009 Summer

2

MCQ

CH1 - MEASUREMENTS AND UNITS

What is the most accurate and precise method to measure the thickness of a coin?

2017 Summer

1

MCQ

CH2 - FORCES AND MOTION

On Earth, a ball is dropped and falls 2.0 m in a vacuum.The acceleration of the ball at 1.0 m is 10 m/s².What is the acceleration of the ball at 0.5 ...

2017 Summer

1

MCQ

CH2 - FORCES AND MOTION

A skydiver reaches terminal velocity. Then he opens his parachute.What happens to the skydiver as the parachute opens?

2017 Summer

1

MCQ

CH2 - FORCES AND MOTION

A piece of steel is taken from the Earth to the Moon for an experiment. The gravitational field strength on the Moon is smaller than on the Earth.Whic...

2017 Summer

1

MCQ

CH1 - MEASUREMENTS AND UNITS

A measuring cylinder containing only water is placed on an electronic balance. A small, irregularly shaped stone is now completely immersed in the wat...

2017 Summer

1

MCQ

CH2 - FORCES AND MOTION

A boat is travelling at a steady speed in a straight line across the surface of a lake. Which statement about the boat is correct?

2017 Summer

1

MCQ

CH2 - FORCES AND MOTION

A ball of weight 1.2 N drops through the air at terminal velocity.A sudden gust of wind exerts a horizontal force of 0.5 N on the ball from the left.W...

2017 Summer

1

MCQ

CH3 - FORCES AND PRESSURE

The diagram shows a uniform bridge, 4.0 m long and weighing 10 000 N.The bridge is pivoted at one end. A force at the other end gradually increases un...

2017 Summer

1

MCQ

CH2 - FORCES AND MOTION

A bullet of mass 0.10 kg travels horizontally at a speed of 600 m/s. It strikes a stationary wooden block of mass 1.90 kg resting on a frictionless, h...

2017 Summer

1

MCQ

CH4 - FORCES AND ENERGY

A box of mass $m$ slides down a slope of length $l$ and vertical height $d$ against a frictional force $F$.As the box slides down the slope, it loses ...

2017 Summer

1