Question # 1

How much would be the volume of ice formed by freezing 1 litre of water.

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1.0 litre

1.09 litre

1.90 litre

2.0 litre

The process in which a system undergoes a change of state at constant volume.

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Isobaric process

Isochoric process

Isothermal process

Adiabatic process

Which mirror be used for obtaining a parallel beam of light from a small lamp.

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Plane mirror

Convex mirror

Concave mirror

All of these

Who originated the idea of heat death of the universe is 1852

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Lord Kelvin

James thomson

John Thomson

Saadi Carnot

As a result of modulation, the resultant wave is called.

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Carrier wave

Modulated carrier wave

Matter wave

Energetic carrier wave

What happens to Carnot efficiency if the source temperature increases.

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Decreases

Increases

Remain the same

Becomes zero

The Inner electrons in heavy atoms can be disturbed and dislodged by.

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X rays

Alpha particle

Beta particles

gama particles

Geiger counter was designed by

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Wilson

Geiger and Muller

Lawrence

Mosely

The Pressure will be low where the speed of the fluid is

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Zero

High

Low

Constant

It is deduced that a piece of metal is already a magnet if

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A copper wire is attracted to it

A copper wire is repelled by it

One end of a compass is repelled by it

Both ends of a compass needle are attracted to it.

Which of the following is not SI base unit.

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kilogram

Ampere

Coulomb

Mole

In which form energy in an inductance coil is stored.

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Heat energy

Light energy

Magnetic energy

Nuclear energy

Thermocouple is combination of.

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Thermocouples

Capacitors in parallel

Resistors in series

Ammeter and voltmeter

The potential due to which an electron is lifted from gerund state to excited state is.

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Potential gradient

excitation potential

Ionization potential

Potential difference

The function of collimator in spectrometer is to

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Disperse the light

Reflect the light

Make the light parallel

Diffract the light

The dimensions of strain are.

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[MLT-2]

[ML-1T-2]

[ML-2T-3]

It is a dimensionless quantity

Which of the following is a method of energy transfer.

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Conduction

Wave motion

Radiation

All of these

No entropy change is associated with

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Isothermal process

Adiabatic process

Isochoric process

Isoteric process

What would be the colour of sky n the absence of atmosphere.

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Blue

Indigo

Red

Black

What is the degree of magnetization of a material.

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Susceptibility

Ablitity

Retentivity

Capacity

Who proposed the thermodynamic scale of temperature.

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Saadi carnot

Lord Kelvin

Sir james dewar

Gabriei fahrenheit

The capture of neutron by a proton results in the formation of.

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Deuteron and gama rays

Deuteron and alpha particle

Triton and Beta particles

Tritron and X rays

A uniform vertical wire is stretched by hanging a mass from its lower end Which of the following does ot effect the strain in the wire.

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The stress

The upstretched length

The load applied

the Young's modulus of the metal

Coulomb's law for the electrostatic force between two electric charges resembles the

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Law of conservation of energy

Law of conservation of mass

Newton's law of gravitation

Newton's law of motion

The dispersive power of a grating is

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Light used

Separation of lines

Frequency of light used

Independent of wavelength

X-rays can cause

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Malaria

Dysentery

Cancer

Blood pressure

An important property of an ideal power supply is.

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Infinite internal resistance

Zero internal resistance

Large output resistance

Small output resistance

A wave source of frequency 1,000 Hz emits waves of wavelength 0.1 m How long does it take for the waves to travel 2500 m.

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4 s

25 s

40 s

100 s

A logic circuit whose output signal is '1' when inputs are different is.

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NAND gate

NOR gate

Exclusive OR gate

Exclusive NOR gate

The internal energy of monoatomic gas is.

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3/2 RT

Independent of temperature

In the form of K.E.

Partially kinetic and partially potential

In any L-C-R circuit

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Current lags the applied voltage

Current leads the applied voltage

Current sometimes leads and sometimes lags the applied voltage

Current remains in phase with voltage

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