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

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

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

Theory

CH5 - THERMAL EFFECTS

A rod is made up of copper and wood joined together. After the rod is heated at the join in the centre for about a minute, where would the lowest tem...

2009 Summer

Theory

CH5 - THERMAL EFFECTS

The diagram shows a fire. Why does the smoke rise above the fire?A) Smoke evaporates more quickly at higher temperatures.B) Smoke molecules diffuse mo...

2009 Summer

Theory

CH5 - THERMAL EFFECTS

(a) A certain volume of water at room temperature and the same volume of ice in a freezer are each heated through the same temperature rise.Which of t...

2009 Summer

Theory

CH5 - THERMAL EFFECTS

(a) Some water is poured onto a plastic table-top, forming a puddle. The same volume of water is poured into a plastic dish, which is placed alongside...

2009 Summer

Theory

CH5 - THERMAL EFFECTS

Brownian motion is observed by looking at smoke particles through a microscope.How do the smoke particles move in Brownian motion?A all in the same di...

2009 Winter

Theory

CH5 - THERMAL EFFECTS

To mark a temperature scale on a thermometer, standard temperatures known as fixed points are needed.Which of these is a fixed point?A. room temperatu...

2009 Winter

Theory

CH5 - THERMAL EFFECTS

The table gives the melting points and boiling points of glycerine and benzene.[Table_1]At which temperature will both glycerine and benzene be liquid...

2009 Winter

MCQ

CH1 - MEASUREMENTS AND UNITS

The diagram shows a stone of irregular shape. Which property of the stone can be found by lowering it into a measuring cylinder half-filled with water...

2021 Summer

MCQ

CH2 - FORCES AND MOTION

Which row describes speed and velocity? [Table_1]

2021 Summer

MCQ

CH2 - FORCES AND MOTION

Four balls with different masses are dropped from the heights shown. Air resistance may be ignored.Which ball has the smallest average speed?

2021 Summer

MCQ

CH2 - FORCES AND MOTION

An object of mass 2.0 kg is taken from the Earth, where the gravitational field strength is 10 N/kg, to the Moon, where the gravitational field streng...

2021 Summer

MCQ

CH1 - MEASUREMENTS AND UNITS

The mass of an empty flask is 34 g. The volume of liquid added to the flask is $20 \ \text{cm}^3$.The total mass of the flask and the liquid is 50 g.W...

2021 Summer

MCQ

CH2 - FORCES AND MOTION

The extension–load graph for a spring is shown. The unstretched length of the spring is 17.0 cm. When an object is suspended from the spring, the l...

2021 Summer

MCQ

CH2 - FORCES AND MOTION

A cart has a mass of 10 kg. A boy pushes on the cart horizontally with a force of 50 N. The cart accelerates at 0.50 m/s^2.What is the frictional forc...

2021 Summer

MCQ

CH2 - FORCES AND MOTION

A ball has a mass of 2.0 kg. The ball approaches a wall at a speed of 3.0 m/s and rebounds at a speed of 1.0 m/s. What is the impulse on the wall?

2021 Summer

MCQ

CH4 - FORCES AND ENERGY

Which situation involves no work being done and no energy being transferred?

2021 Summer

MCQ

CH4 - FORCES AND ENERGY

A student suggests that there are several ways of transferring energy to a small, stationary block of iron on a smooth table. He makes the following s...

2021 Summer