Write T for the true statement and F for the false one. Correct the false statement(s).
1. Mars is the largest planet in the solar system.
2. Richard scale is used to measure the magnitude of an earthquake.
3. The positively charged particles in an atom are called protons.
4. Ions are atoms or group of atoms with a positive or a negative charge.
5. The number of oscillation per second is called the frequency of oscillations.

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Solution

1.F Jupiter is the largest planet in the solar system.
2.F Richter scale is used to measure the magnitude of an earthquake.
3.T
4.T
5.T

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Similar questions

Write 'true' or 'false' for the following statements :

(a) An atom on the whole has a positive charge.

(b) The maximum number of electrons in the first shell can be 8.

Q. Write T for the true statement and F for the false one. correct the false statement(s).
1. The presence of chemicals in the air in quantities harmful to human health is known as water pollution.
2. A relatively small body that revolves around a bigger body like a planet is called a celestial body.
3. Mars is the smallest planet in our solar system.
4. Reflection from a rough surface is called regular reflection.
5. Material in which charged particles can move freely is called an insulator.

State whether the following statements are true or false :

(a) Thomson proposed that the nucleus of an atom contains protons and neutrons.

(b) The cathode rays obtained from all the gases consist of negatively charged particles called electrons.

State whether the following statements are true or false :
(a) A sodium ion has positive charge because it has more protons than a neutral atom.
(b) A chloride ion has negative charge because it has more electrons than a neutral atom.

State whether the following statements are true or false :

(a) Like charges attract each other.

(b) A charged glass rod attracts a charged plastic straw.

(d) Earthquakes can be predicted in advance.

(e) An earthquakes of magnitude 2 on Richter Scale is ten times as strong as an earthquake of magnitude 1 on the same Scale.

(f) The plates of earth's crust are continuously moving.

(g) An earthquake is measured and recorded by using an instrument called electrocardiograph.

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1.F Jupiter is the largest planet in the solar system. 2.F Richter scale is used to measure the magnitude of an earthquake. 3.T 4.T 5.T

1.F Jupiter is the largest planet in the solar system.
2.F Richter scale is used to measure the magnitude of an earthquake.
3.T
4.T
5.T