Question # 1

The pressure of gas everywhere inside the vessel will be the same provided the gas is of

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Non-uniform density

uniform density

high density

low density

Significant figures in 0.0010 are:

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Four

Three

Two

One

Specific resistance of a wire depends upon

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Length

Cross-section area

Mass

None

A gas is compressed adiabatically till its temperature is double. The ratio of its final volume to initial volume will be

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1/2

More than 1/2

Less than 1/2

Between 1 and 2

The second law gives the relationship between

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mass and velocity

force and acceleration

velocity and acceleration

mass and weight

The SI unit of magnetic flux is.

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weber

Nm^-1A^-1

tesla

gauss

According to the de-Brogile relation, an object of large mass and ordinary speed has

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very small wavelength

very large wavelength

very small frequency

all of these

The projectile motion is composed of

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horizontal motion only

vertical motion only

horizontal and vertical motion

none of them

In case of braking radiations, when the rate of deceleration is very large, the emitted radiation corresponds to:

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Short wavelength

Large wavelength

Very large wavelenth

Low frequency

Both (B) and (C)

The results of spectra obtained by Balmer were expressed in 1896 by:

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Bohr

Rydberg

Planck

Rutherford

Coulomb

Which one is conservative force

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Electric force

Frictional force

Normal force

Air resistance

The SI unit of power is

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Joule

Watt

Pound

None of these

In deriving Bernoulli s equation we assume that the fluid is

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Incompressible

Non-viscous

In steady flow

All of these

Rotational kinetic energy of a disc is

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K.E. _rot = 1/2 mV²

K.E. _rot = 1/3 mV²

K.E._rot = 1/4 mV²

None of these

The each atom of pure Ge or Si shares neighboring electrons are

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Three

Four

Five

None of these

The escape velocity of moon in Kms^-1 is

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1.23

2.43

2.40

2.59

The unit of focal power of a lens is

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Watt

Horse power

Dioptre

Kilo watt

At systolic pressure, at the point the first surges of blood flow through the narrow stricture produces

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High flow speed

Sound heard

Initially turbulent

All of these

Amorphous solids are more like

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crystalline solids

polymeric solids

glassy solids

any one of them

The weight of the body at the centre of the earth is

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9.8 N

Zero

19.6 N

None of these

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

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Elasticity

Stress

Strain

Shear

In an isothermal process

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Volume remains constant

Pressure remains constant

Temperature remains constant

None of these

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