Question # 1

Biomas is a potential source of

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Renewable energy

Non renewable energy

Botha a and b

Tidal energy

The temperature scale which is independent of nature of substance is.

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Thermodynamic scale

Centigrade scale

Fahrenheit scale

Regnault scale

The portion of the wave above mean level is called.

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Node

Antinode

Crest

Trough

Newton's rings are formed due to phenomenon of.

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Interference

Dispersion

Diffraction

Polarization

First law of thermodynamics can be defined by the equation

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The largest satellite system is managed by

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116 countries

126 countries

136 countries

140 countries

Torricelli's theorem is given by

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The amount of inertia of 10 kg hoop about the axis of rotation perpendicular to its plane having radius 5 m is

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50 kgm2

100 K gm2

150 K gm2

250 K gm2

If the stream lines of fluid are forced closer together then.

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Speed of the fluid increases

Speed of the fluid decreases

Pressure of the fluid increases

Speed of the fluid remain same

Centripetal force perform

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Maximum work

Minimum work

Negative work

No work

The horizontal range of a projectile of 30^owith horizontal is same at an angle.

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40^o

45^o

90^o

60^o

The error is constant for ............error

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Random

Systematic

Both a and b

All

The units of magnifying power of microscope or telescope are.

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Metre

m^-1

dioptre

No unit

A collision in which K.E. of the system is not conserved is

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Elastic collision

Inelastic collision

3rd low of motion

None of these

The sum of two or more vectors will be a single vector called

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Component vector

Position vector

-ve vector

Resultant vector

The system international SI built up from

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Derived Units

Supplementary units

Basic Units

All of these

Motion of projective is

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One dimensional

Two dimensional

Three dimensional

Four dimensional

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