Question # 1

Due to _____________ we can watch live programs.

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Natural Satellite

Antenna

Artificial satellite

Nil

Quantities between which a graph is plotted are called.

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Scalars

Vectors

Variables

None

Dull black surface is a best:

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Emitter

Absorber

Reflector

None of these

From following, which one is a renewable source of energy?

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Coal

Gas

Sunlight

Petrolum

The resultant vector of given vectors A and B is

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In how many division Fahrenheit scale is divided?

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100

273

180

50

The device used to stop conduction, convention and radiation:

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Thermometer

Thermo flask

Both

Nil

Where there is no air the atmospheric pressure is:

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Zero

101300 Pa

7 nm Hg

1000 Nm^-2

In symbols, co-efficient of volume expansion is defined as

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β = ΔT/V∘ΔV

β = ΔV/ΔT

β = ΔV/V∘ΔT

β = ΔT/ΔV

The value of 'g' on the surface of moon is:

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1.62 ms^-2

10 ms^-2

20 ms^-2

Zero

Least count of physical balance is.

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0.001 g

0.01 g

0.1 g

0.0001 g

kgm²s^-2 = _________

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Newton

Joule

Watt

Coulomb

Which of following units is equal to Kgm² s^-2

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Newton

Joule

Watt

Coloumb

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