SSC (English Medium)
SSC (Marathi Semi-English)
Academic Year: 2014-2015
Date: जुलाई 2015
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Fill in the blank:
Very fine particles mainly scatter ………… colored light.
Chapter: [0.17] Wonders of Light 2
Fill in the blank :
1 mA = ............................. A.
Chapter: [0.14] The Electric Spark
Match the column ‘A’ with column ‘B’.
|
Column ‘A’
|
Column ‘B’ |
|
(1) Eka - boron
|
(a) Germanium
|
|
(2) Eka - Aluminium
|
(b) Scandium
|
|
(3) Eka - Silicon
|
(c) Gallium |
Chapter: [0.04] Effects of Electric Current [0.14] The Electric Spark
Choose the correct alternative and rewrite the following:
Mirror used by a dental surgeon is ..........................
plane
convex
concave
convex and concave
Chapter: [0.16] Wonders of Light 1 [0.16] Wonders of Light 1
Choose the correct alternative and rewrite the following:
What will happen to the current passing through a resistance, if the potential difference across it is doubled and the resistance is halved?
remains unchanged
becomes double
becomes half
becomes four times
Chapter: [0.15] All about Electromagnetism
Choose the correct alternative and rewrite the following:
You are given three equal resistances. In how many combinations can they are arranged?
Three
Four
Five
Two
Chapter: [0.14] The Electric Spark
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Choose the correct alternative and rewrite the following:
Inside water, an air bubble behaves ....................
always like a flat plate
always like a concave lens
always like a convex lens
always like a concave mirror
Chapter: [0.07] Lenses
Choose the correct alternative and rewrite the following:
A glass slab is placed in the path of convergent light. The point of convergence of light
moves away from the slab
moves towards the slab
remains at the same point
undergoes lateral shift
Chapter: [0.17] Wonders of Light 2 [0.17] Wonders of Light 2
With an example, explain Dobereiner's Triads.
Chapter: [0.02] Periodic Classification of Elements [0.11] School of Elements
Edible oil is not allowed to stand for a long time in an iron or tin container.
Chapter: [0.18] Striving for better Environment 1
An electric iron rated 750 W is operated for 2 hours/day. How much energy is consumed by the electric iron for 30 days?
Chapter: [0.14] The Electric Spark
Differentiate between Conductors and insulators.
Chapter: [0.04] Effects of Electric Current [0.15] All about Electromagnetism
Draw a labelled diagram: Dispersion of light through a prism.
Chapter: [0.06] Refraction of Light
If sodium chloride is added to the silver nitrate solution:
a. which precipitate is formed?
b. name the type of reaction.
c. write the chemical equation.
Chapter: [0.03] Chemical Reactions and Equations [0.12] The Magic of Chemical Reactions
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Define: Chemical combination reaction
Chapter: [0.03] Chemical Reactions and Equations [0.12] The Magic of Chemical Reactions
Define: Endothermic reaction
Chapter: [0.03] Chemical Reactions and Equations [0.12] The Magic of Chemical Reactions
Define Oxidation reaction.
Chapter: [0.03] Chemical Reactions and Equations [0.12] The Magic of Chemical Reactions
State two uses of a concave mirror.
Chapter: [0.16] Wonders of Light 1 [0.16] Wonders of Light 1
Name any six domestic appliances based on the heating effect of electric current.
Chapter: [0.04] Effects of Electric Current [0.14] The Electric Spark
Explain: ‘How is a rainbow formed’?
Chapter: [0.17] Wonders of Light 2
If an object is placed in front of a convex lens beyond 2F1, then what will be the position, relative size, and nature of an image which is formed? Explain with a ray diagram.
Chapter: [0.07] Lenses [0.16] Wonders of Light 1
Explain ‘Electric generator’ with the help of the following points:
- Diagram of an AC Generator with labelling
- Principle of an electric generator
- The function of slip rings
- Any two uses of a generator.
Chapter: [0.04] Effects of Electric Current
Write about the sources of noise pollution. Give the impact of noise pollution on the human body.
Chapter: [0.18] Striving for better Environment 1
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