Question # 1

Angle of incidence is equal to he angle of reflection ,It is first law of.

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Refraction

Dispersion

Reflection

Diffraction

Human nerous system consists of.

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CNS

PNS

Organ system

CNS and PNS

Some metals can be pulled into wire This is because metals are.

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Ductile

Solid

Hard

Brilliant

The force acting normally unit area is.

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Strees

Strain

Motion

Pressure

Substancs whihc take part in a chemical reaction are called.

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Products

Ractants

Elements

Compunds

An element of the third period is the periodic table.

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Li

He

P

H

What happens when light hits a shiny or smooth surface.

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It is disappeared

It is refracted

It is absorbed

It is reflected

Two equal forces actat the same time on the same stationary object but in the opposite directions. Which statement describes the object's motion.

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The object changes direction

The objet accelerates

The object remains stationary

The object moves at a constant speed

All the food chains are joined together to form .....

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Food web

Ecologicla pyramid

Tropicla level

None of these

Metals are found in.................. state at room temperatures.

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Gas

Solid

Liquid

None of these

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