Question # 1

There is a regular arrangement of molecules in a

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amorphous solids

polymeric solids

crystalline solids

none of them

Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:

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Thumb

Curled fingers

Middle finger

Arm of right hand

None of these

A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor

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Increases

Decreases

Remain unchanged

Becomes infinite

By which velocity a ball be projected vertically so that the distance covered by it in 5th seconds is twice the distance it covers in its 6th second ( g=10m/s²)

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58.8 m/s

49 m/s

65 m/s

19.6 m/s

Energy gas behaves like an ideal gast at

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High temperature and low pressure

Low temperature and high pressure

Both A and B

None

A changing magnetic flux creates around itself

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An electromotive force

An electric field (changing electric flux)

Magnetic field

None of the above

The ability of the body to return to its original shape is called

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deformation

stretching

compressing

elasticity

The amount of energy equivalent to 1 a.m.u is

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9.315 Mev

93.15 Mev

931.5 Mev

2.22 Mev

A heat engine is that which converts

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mechanical energy into thermal energy

thermal energy into mechanical energy

K.E into potential energy

heat energy into light energy

Fluids can transmit:

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Transverse wave

Compressional wave

Both of them

None of them

The R₁= infinity and R₂= 0, then the gain of non-inverting amplifier is

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zero

infinity

one

any one of these

Examples of polymers are

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Polythene

Polystyrene

Nylon

All of them

Michelsion devised the Michelson's interferometer in

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1981

1891

1851

1881

Semiconductors, like Ge or Si at room temperature becomes a

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Semiconductor

Conductor

Insulator

None of these

Newtons first law of motion says a body will

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Remains at rest

Continuous move to with uniform velocity

Have no unbalanced external force act

All of these

The dimensional formula for angular momentum is:

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(M°L²T^-2)

(ML²T^-1)

(MLT^-1)

(ML²T^-2)

When the car moves with constant acceleration, the velocity time graph is a

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Straight line

Straight line rises equally

Horizontal straight line

None of these

An average energy used by the car-from petrol in its life time

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1 × 10⁹ J

1 × 10¹⁰ J

1 × 10¹¹ J

1 × 10¹² J

A unit set is the smallest basic structure which is:

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One dimensional

Two dimensional

Three dimensional

Four dimensional

None of these

The mother and daughter elements with the emission of 𝖰 − 𝒓𝒂𝒚𝒔, are called:

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Isotopes

Isobars

Isomers

Isodiapheres

The pair of quantities has same dimensions?

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Power, Work

Work, Torque

Impulse, Linear momentum

Both B and C

Einstein predicted the shift of light by sun coming from star towards Earths was the same as during the solar eclipse in 1919 is

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Φ = 1.235 sec of angle

Φ = 1.367 sec of angle

Φ = 1.693 sec of angle

Φ = 1.745 sec of angle

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