Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9th

# SSLC (English Medium) Class 9th - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

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Choose the correct one.

[0.01] Measurement
Chapter: [0.01] Measurement
Concept: Measurements

Define measurement.

[0.01] Measurement
Chapter: [0.01] Measurement
Concept: Measurements

Match the Following.

 Sr. No. List I List II 1. Motion of a body covering equal distances in equal interval of time A. 2. Motion with non uniform acceleration B. 3. Constant retardation C. 4. Uniform acceleration D.
[0.02] Motion
Chapter: [0.02] Motion
Concept: Motion and Rest

What do you mean by uniform motion?

[0.02] Motion
Chapter: [0.02] Motion
Concept: Motion and Rest

In a pressure cooker, the food is cooked faster because ______.

[0.03] Fluids
Chapter: [0.03] Fluids
Concept: Thrust and Pressure

An empty plastic bottle closed with an airtight stopper is pushed down into a bucket filled with water. As the bottle is pushed down, there is an increasing force on the bottom. This is because

[0.03] Fluids
Chapter: [0.03] Fluids
Concept: Thrust and Pressure

A drinking straw works on the existence of ______.

[0.03] Fluids
Chapter: [0.03] Fluids
Concept: Thrust and Pressure

Match the following.

 1 Density hρg 2 1 gwt Milk 3 Pascal’s law "Mass"/" Volume" 4 Pressure exerted by a fluid Pressure 5 Lactometer 980 dyne
[0.03] Fluids
Chapter: [0.03] Fluids
Concept: Thrust and Pressure

Rubbing of comb with hair

[0.04] Electric Charge and Electric Current
Chapter: [0.04] Electric Charge and Electric Current
Concept: Electric Charge

Electric field lines ______ from positive charge and ______ in negative charge.

[0.04] Electric Charge and Electric Current
Chapter: [0.04] Electric Charge and Electric Current
Concept: Electric Charge

Match the following.

 1 Electric charge a. ohm 2 Potential difference b. ampere 3 Electric field c. coulomb 4 Resistance d. newton per coulomb 5 Electric current e. volt
[0.04] Electric Charge and Electric Current
Chapter: [0.04] Electric Charge and Electric Current
Concept: Electric Charge

State whether true or false. If false, correct the statement.

Electrically neutral means it is either zero or equal positive and negative charges.

[0.04] Electric Charge and Electric Current
Chapter: [0.04] Electric Charge and Electric Current
Concept: Electric Charge

Electrons move from ______potential to______ potential.

[0.04] Electric Charge and Electric Current
Chapter: [0.04] Electric Charge and Electric Current
Concept: Electric Charge

On what factors does the electrostatic force between two charges depend?

[0.04] Electric Charge and Electric Current
Chapter: [0.04] Electric Charge and Electric Current
Concept: Electric Charge

Define electric field.

[0.04] Electric Charge and Electric Current
Chapter: [0.04] Electric Charge and Electric Current
Concept: Electric Charge

What are electric lines of force?

[0.04] Electric Charge and Electric Current
Chapter: [0.04] Electric Charge and Electric Current
Concept: Electric Charge

Exercise.

Rubbing a comb on hair makes the comb get – 0.4C.

1. Find which material has lost electron and which one gained it.
2. Find how many electrons are transferred in this process.
[0.04] Electric Charge and Electric Current
Chapter: [0.04] Electric Charge and Electric Current
Concept: Electric Charge

A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is ______.

[0.06] Light
Chapter: [0.06] Light
Concept: Light

When a beam of white light passes through a prism it gets ______.

[0.06] Light
Chapter: [0.06] Light
Concept: Light

State whether true or false. If false, correct the statement.

If a ray of light passes obliquely from one medium to another, it does not suffer any deviation.

[0.06] Light
Chapter: [0.06] Light
Concept: Light
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