# 10th Science Half Yearly Exam Important Questions 2, 4, 7, 5 Marks English/ Tamil

10th Science Half Yearly Exam Important Questions for 2, 4, 7, 5 marks. S.S.L.C Half Yearly written examination held on 20th December 2019. Students from Tamil Nadu looking for important questions of 10th Science Half Yearly Examination check now.

## 10th Science Half Yearly Exam Important Questions

Law Of Motion

Define Inertia And Types- 2 marks

Classify The Types Of Force Based On Their Applications- 2 Marks

Define Moment Of A Couple – 2 Marks

State Newton’s Second Law- 2 Marks

Differentiate Mass And Weight- 2 Marks

What are the types of inertia Give An Example For Each Type – 5 Marks

State The Newtons Law Of Motion- 5 Marks

Optics

What Is The Refractive Index- 2 Marks

Snell’s Law- 2 Marks

Dispersion Of Light- 2 Marks

State Rayleigh’s Law Of Scattering- 2 Marks

Differentiate: Convex And Concave Lens- 2 Marks

What are the causes of myopia- 2 Marks

Why Does The Sky Appear In Blue Color- 2 Marks

List Any Properties Of Light- 5 Marks

Explain The Rules For Obtaining The Images Formed By A Convex Lens With The Help Of Ray Diagram- 5 Marks

Differentiate: Myopia And Hypermetropia Explain- 5 Marks

Explain The Construction And Working Of A Compound Microscope- 5 Marks

### 10th Chemistry Half Yearly Important Question Papers

Define Relative Atomic Mass- 2 Marks

Write The Different Types Of Isotopes Of Oxygen And Its Percentage Abundance- 2 Marks

What is the molar volume of a gass- 2 marks

What is the mass in one mole of nitrogen atoms and one mole of sodium sulphate- 2 marks

State The Avogadro Law- 2 Marks

Give the salient features of modern atomic theory- 5 Marks

Derive the relationship between relative molecular mass and vapor density- 5 Marks

Differentiate Between Atoms And Molecules- 5 Marks

Periodic Classification Of Elements

What is the rust ? Give The Equation For Formation Of The Rust- 2 Marks

State 2 Condition Necessary For Rusting Of Iron- 2 Marks

Define Alloys- 2 Marks

Define Metallurgy- 2 Marks

State the reason for addition of caustic alkali to bauxite ore during the purification of bauxite- 5 Marks

Explain Smelting Process- 5 Marks

Explain the chemical properties of iron- 5 Marks

10th Science Lesson Plans For Half Yearly Exam Preparation

10th Science Half Yearly Previous Year Question Paper