Question # 1

Which quantity has different units from the other three.

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Density x volume x velocity

Rate of change of momentum

Young's modulus x area

Weight

When ever a system is made to complete a cyclic process the work done during the complete cycle.

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Is zero

Is negative

Is positive

Depends upon the path followed

The escape velocity from the earth's surface is

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1.2 km s-1

1.7 km s-1

10.2 km s-1

11.2 km s-1

The loudness of a sound deepness on its

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Wavelength

Frequency

Wave amplitude

Regularity

A metallic rod is continuously heated at its two ends, The heat following through the rod does not depend upon.

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Mass of the upon

Area of cross section of the rod

Temperature gradient between two ends

Time for which heat flow through the rod

The critical angle for a beam of light passing from water into air is 48.8 o This mean that all light rays with an angle of incidence greater than this angle will be.

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Absorbed

Totally reflected

Partially reflected and partially transmitted

Totally transmitted

Which of the following in the best container for gas during adiabatic process.

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Copper vessel

Thermos flask

Glass container

Wooden container

Good acoustic implies

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Obtaining as much reverberations as possible

Making the reverberation as small as possible

Obtaining the optimum of reverberations

Eliminating reverberations

The strength of photo electric current depends upon.

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Intensity of incident light

Frequency of incident light

Angle of incident light

Distance between anode and cathode

In the fusion process, there are

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Hydrogen isotopes

Helium Isotopes

Carbon isotopes

Oxygen isotopes

In the experiment of force on a current carrying conductor in a uniform magnetic field the magnitude of force depends upon which factor.

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Force is inversely proportional to current

Force is directly proportional to current

Force is inversely proportional to voltage

Force is directly proportional to voltage

The distribution of electrical charge i an object caused by teh influence of nearby charges is called.

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Electric potential

Electrostatic induction

Electric flux

Electric dipole moment

A standard fixed point for calibrating a thermometer is.

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Boiling point of water

Melting point of ice

Temperature of steam

Triple point of water

Optics is the

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Scientific study of light and vision

Scientific study to sound

Scientific study of time

Scientific study of fluid

Which physical properties is most responsible for resonance.

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Frequency

Intensity

Pitch

Loundness

The current passing across a p-n junction due to minority charge carriers is called

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Reverse current

Forward current

Leakage current

Both a and b

One radian is equal to.

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0.1 Gy

0.01 Gy

0.001 Gy

0.0001 gy

a cube with sides 2 cm long is made from a material of density 8 g cm-3 What is the mass of the code

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4 g

16 g

32 g

64 g

The possible values of principal quantum number are.

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only zero

0,1,2,...................7

1,2,3........................8

2,3,4,6...............10

How the fuse wire in electric supply line is connected to protect the electrical appliances.

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In parallel

In sereis

In mixed order

In vertical position

A Galilean telescope with objective of coal length 30 cm and eyepiece of focal length.8 cm when focused for infinity has length equal to

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7.5 cm

2.2 cm

38 cm

240 cm

The exitance of antiparticle was discovered by

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Wilson

Anderson

Dirac

Stefen

Soap cleans the dirty clothes because.

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Its chemical constituents are changed

Itr increases the surface tension of its solution with water

It increases the surface tension of its solution with water

It is less dense than that of water

Two tuning forks have same natural frequency One of them is now loaded with wax. When both the forks are sounded together the will

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Produce interference

Produce vibrations

Remain in resonance

Produce beats

The change in the dimensions of a body produced by the action of the deformation force is known as.

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Strain

Stress

Tensile strain

Tensile stress

In which thermodynamic process enthalpy of the system remains constant.

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Isenthalpic process

Isolated process

Isobaric process

Isochoric process

Which of the following is a set of supplementary units.

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Radian and steradian

Radian and mole

Steradian and candela

Radian and kelvin

Persistence of vision is the phenomenon of the eye by which an afterimage is thought to persist for approximately one twenty faith of a second on the.

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Retina

Heart

Mind

Liver

The gama rays have

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Thin tracks

Thick tracks

No definite tracks

Continuous tracks

The branch of medicine which deals with the anatomy physiology and diseases of the eye

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Ophthalmology

Radiology

Cardiology

Andrology

How many calories of heat are required to evaporate completely 1 g or ice at 0^oC

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120 calories

520 calories

720 calories

920 calories

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