10th Class Important Questions – Page 4

Following important questions for SSC / 10th Class Examinations for Telangana State Board. The questions are from Physical Sciences and covers all the syllabus and also as per the latest syllabus and CCE pattern of examination. 1 mark, 2 marks and 4 marks important questions are given below.

1 Mark Questions:

1. “Whenever there is a continuous change of magnetic flux linked with a closed coil, a current is generated in the coil”. Name the law related to this.

2. The distance between vertex and radius of curvature is 30 cm. The focal length of mirror is how much?

3. Write electronic configuration of following elements.
a) Boron b) Chlorine

4. In the modern periodic table, which are the metals among the first ten elements?

5. Arrange Zn, Ag, K, Fe, Na, Ca in descending order of their reactivity series.

6. Which is a good motor fuel?

Two Marks Questions:

1. Take a long cylindrical Copper tube. Hold it so that it is perpendicular
to the horizontal. A stone and a bar magnet are left freely, so the bar
magnet pass through the tube and stone outside the tube. Which one
reaches the earth first. Guess why it is so? Give proper reasons.

2. Substance X turns blue litmus into red. Substance Y turns red litmus
into blue. If the reaction takes place between X and Y, guess what
are the substances to be formed? Give reason.

3. Suggest an experiment to produce a rainbow in your class room and explain the procedure.

4. Draw a figure showing sub-energy levels of fourth energy level (n = 4) of Sommerfeld’s model and state the values of ‘l’ and ‘n’.

5. In house hold circuits, why do we use fuses? What is the use of fuses?

4 Marks Questions:

1. Explain the effects of electric shock on human body.

2. The radius of curvature of two faces of a double convex lens are 10 cm, 15 cm and its focal length is 12 cm. Then determine the refractive index of the lens.

3. Mention the unique properties of Carbon.

4. Mention the factors affecting the formation of Cations an Anions.

5. Explain with an activity to know whether the acid (or base) is strong or weak.

6. Write the list of apparatus required to verify experimentally that the resistance of a conductor is inversely proportional to cross section area.
7. Write the procedure of the experiment with the help of a diagram.

Q: What is the immediate cause for World War I?
A: The murder of Archduke Franz Ferdinand of Austria by a serbian was the immediate cause for World War I.
This happened on 28 June 1914.
Austria declared a war on Serbia.
Other countries of the world joined either side and so World War began.

Q: Mention any two terms and conditions of Versailles treaty.
A: 1) The German empire was broken up and replaced by a democratic republic.
2) This treaty imposed heavy penalty on Germany both in monetary terms and territorial terms.

Q: What are the functions of League of Nations?
A: League of Nations was founded in 1920 to prevent wars by settling disputes through negotiations.
Ensure disarmaments and reduce manufacturing of arms.
Work for development, labour welfare and health.

Q: Mention a few consequences of the Great Depression.
A: Unemployment increased.
There is a decline in demand and fall in prices.
Factories closed down.
Stock Market collapsed.

Q: What are the main objectives of United Nations Organisation?
A: Preserving world peace.
Upholding human rights.
Respecting international laws.
Promoting social progress.

Q: What are the two power blocks?
A: 1) Allied powers of United Kingdom, France and Russia supported Serbia.
2) The central powers are Germany, Italy, Austria, Hungary.

Q: What is Aggressive Nationalism?
A: The ideology of Nationalism was a positive impulse. It’s a strong feeling of people towards nationalism. This created pride in
Germany and Italy and hatred against the neighbouring countries.

Q: Explain imperialism.
A: As industrial capitalism was grown in European countries, they needed raw materials and markets for their products. A race for colonies was started and it led to increase their area of influence. This created a tension and led to World Wars.

Q: What are the New International Organisations formed after World Wars?
A: 1) League of Nations.
2) United Nations Organisation.
3) UNICEF, UNESCO, WHO, ILO are the agencies of UNO.

Q: What are the reasons for the World Wars?
A: 1) Immediate causes
2) Imperialism
3) Secret Alliances
4) Aggressive Nationalism
5) Militarism
6) Vengeful domination of Germany

Q: Mention any two consequences of the World Wars.
A: 1) Enormous human cost.
2) Assertion of democratic principles.
Change in balance of power
Formation of New International Organisations.

Q: Explain Socialism.
A: A political and economic system which advocates that the means of production, distribution and exchange should be owned and regulated by the community as a whole.