A student determines the specific heat capacity of a metal by carrying out an experiment. The list shows the apparatus that the student has available. 1 electronic balance, 2 ruler, 3 thermometer, 4 heater operating at a power of 50 W, 5 stopwatch, 6 ammeter, 7 voltmeter. Which apparatus does the student use?

Four containers are filled with equal volumes of water at the same temperature. Containers A and B are shaded by a tr…

A rod of metal is heated at one end. Which statement best describes the conduction of heat through the metal?

Many gas appliances such as ovens and heaters use a small flame to ignite the main burner. To make sure that the smal…

In one radioactive decay, radium (Ra) gives rise to radon (Rn) as shown. ²²⁶Ra → ²²²Rn ⁸⁸ ⁸⁶ What particle is also pr…

Which row is correct for fission and for fusion?

When a sample of a radioactive nuclide decays, the count rate falls from 1200 to 150 in three minutes. What is the ha…