Question # 1

Speed of light through air is about.

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300000 km/s

250000 km/s

225000 km /s

200000 km /s

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

Th graphical epresentation of tropihic relationship oforaganisms in an ecosystem is called.

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Food Chian

Ecological pyramid

Trophic level

Predation

Bio Plastic is made of.

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Fats

Glucose

Proteins

Starch

Speed of light through glass is about.

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300000 km /s

250000 km/s

225000 km /s

200000 km/s

The formula of find the magnitude of current is.

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I = Q/t

I = QV

I = CV

I = C/Q

The DNA molecule consists of ............ strands.

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Two

Three

Four

Five

Speed of light through water is about.

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300000 km/s

250000 km/s

225000 km /s

200000 km/s

Unit of Pressure is

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Joule

Newton

Nm2

Nm-2

A force of 1800 N is acting on the surface area of 0.06 m2. The pressure exerted by he force will be.

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3 kPa

30 KPa

300 kPa

3000 kPa

Mass number of oxygen is

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6

16

26

36

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