# SSC (Marathi Semi-English) 10th Standard [इयत्ता १० वी] - Maharashtra State Board Important Questions for Science and Technology 1

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Science and Technology 1
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Principle of Electric motor

Appears in 10 question papers
Chapter: [0.04] Effects of Electric Current
Concept: Electric Motor

Principle of Electric motor

Appears in 10 question papers
Concept: Electric Motor

State the laws of refraction of light.

Appears in 8 question papers
Chapter: [0.06] Refraction of Light
Concept: Refraction of Light Through a Rectangular Glass Slab

State the laws of refraction of light.

Appears in 8 question papers
Chapter: [0.17] Wonders of Light 2
Concept: Refraction of Light Through a Rectangular Glass Slab

State the laws of refraction of light.

Appears in 8 question papers
Chapter: [0.17] Wonders of Light 2
Concept: Refraction of Light Through a Rectangular Glass Slab

State Newlands‘ Law of Octaves.

Appears in 2 question papers
Chapter: [0.02] Periodic Classification of Elements
Concept: Newland's Law of Octaves

Define ‘redox reaction’. Give one example.

Appears in 2 question papers
Chapter: [0.03] Chemical Reactions and Equations
Concept: Oxidation, Reduction and Redox Reactions

The device used for producing electric current is called _________.

Appears in 2 question papers
Chapter: [0.04] Effects of Electric Current
Concept: Electromagnetic Induction

What is refraction of light? Explain with the help of example.

Appears in 2 question papers
Chapter: [0.06] Refraction of Light
Concept: Refraction of Light

Choose the correct alternative and rewrite the following sentence.

A ray of light strikes the glass slab at an angle of 50°. What is the angle of incidence?

Appears in 2 question papers
Chapter: [0.06] Refraction of Light
Concept: Refraction of Light Through a Rectangular Glass Slab

Draw the diagram of refraction of light in the glass slab

Appears in 2 question papers
Chapter: [0.06] Refraction of Light
Concept: Refraction of Light Through a Rectangular Glass Slab

Write scientific reason.

Stars twinkle but we do not see the twinkling of planets.

Appears in 2 question papers
Chapter: [0.06] Refraction of Light
Concept: Application of Atmospheric Refraction

Given below is a diagram showing a defect of human eye. Study it and answer the following questions.

(i) Name the defect shown in the figure.
(ii) Give reason for this defect of eye in human being.
(iii) Name the type of lens used to correct the eye defect.

Appears in 2 question papers
Chapter: [0.07] Lenses
Concept: Eye Defect and Its Correction: Myopia Or Near-sightedness

State Newlands‘ Law of Octaves.

Appears in 2 question papers
Chapter: [0.11] School of Elements
Concept: Newland's Law of Octaves

Define ‘redox reaction’. Give one example.

Appears in 2 question papers
Chapter: [0.12] The Magic of Chemical Reactions
Concept: Oxidation, Reduction and Redox Reactions

Write two applications of sodium bicarbonate (baking soda).

Appears in 2 question papers
Chapter: [0.13] The Acid Base Chemistry
Concept: Chemicals from Common Salt (Uses of Salt) > Preparation and Uses of Baking Soda

Choose the correct alternative and rewrite the following sentence.

When the resistance of a conductor increases, the current will ________ increase.

Appears in 2 question papers
Chapter: [0.14] The Electric Spark
Concept: Electric Current

The device used for producing electric current is called _________.

Appears in 2 question papers
Concept: Electromagnetic Induction

Write any three properties of magnetic lines of force.

Appears in 2 question papers
Concept: The Bar Magnet

Given below is a diagram showing a defect of human eye. Study it and answer the following questions.

(i) Name the defect shown in the figure.
(ii) Give reason for this defect of eye in human being.
(iii) Name the type of lens used to correct the eye defect.

Appears in 2 question papers
Chapter: [0.16] Wonders of Light 1
Concept: Eye Defect and Its Correction: Myopia Or Near-sightedness
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