Ujian Fisika Kelas X

There are many types of energy sources. The object that is included as an unlimited energy source is ..

• Gasoline

• Solar

• Wind

• Coal

The sun is a very large energy source for living beings on earth. The sun is an energy source ...

• Light and electricity

• Light and heat

• Heat and light

• Heat and motion

When the weather is hot, we can use a fan to cool the room. In the use of a fan, the change of electrical energy into ...

• Motion

• Sound

• Cold

• Light

Most of the energy we use comes from (except) .. ...

• Soil

• Rock

• Wind

• Sun

The fuel that is most widely used as an energy source in the world is ...

• Petroleum

• Coal

• Natural gas

• Biogas

Explain according to you about renewable energy and what are its benefits in everyday life?

What is the fraction of: 28.3 : 4.2 =

6 : 721 =

273 - 2.24 =

Water weighing 4 kg at a temperature of 30℃ will be heated to a temperature of 80℃. If the specific heat of water is 4.186 j/kg ℃, how much heat is absorbed by the water?