Question # 1

In a right angle triangle base is 4 cm and perpendicular is 3 cm length of diagonal will be:

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2 cm

5 cm

4 cm

6 cm

The work done in lifting a brick of mass 2 kg through a height of 5 m above ground will be:

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2.5 J

10 J

50 J

100 J

A force of 200 N is making an angle of 30°. What is horizontal component?

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173.2 N

100 N

600 N

None of these

The velocity of geostationary satellites with respect to the Earth is:

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Maximum

Zero

Minimum

100 ms^-1

The upper reference point in thermometer is used to check:

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Melting point

Freezing point

Boiling point

Streaming point

Acceleration is produced by 20 N force it is due to:

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Inertia

Force

Momentum

None

At a height of 30 km, atmospheric pressure is:

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101300 Pa

1000 Pa

10000 Pa

101325 Pa

_______________ was a pupil of Galileo.

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Einstein

Robert

Al Razi

Torricelli

Which gas is replaced by Ammonia in refrigerators?

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Nitrogen

Carbon di oxide

Methane

Freon gas

the to and fro motion of a body about its mean positionis called.

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Circular motion

Random motion

Rotatory motion

Vibratory motion

Coefficient of friction between tyre and dry road is.

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0.6

1

0.05

0.2

Which following works on Pascal's law?

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Screw gauge

Vernier callipers

Hydraulic press

Wedge

What flower is known as natural thermometer?

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Rose

Barasicca

Crocus

Tulip

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