Question # 1

In heavy elements of the periodic table the number of neutrons than protons are.

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Lesser

Greater

Equal

Undetermined

Which kind of thermodynamic process is defined as with no heat transfer into or out of a system i.e. Q =0

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Isobaric process

Isochoric process

Isothermal process

Adiabatic process

If two bodes are under a collision that is not perfectly elastic then.

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K.E. is conserved but momentum is not

Momentum is conserved but K.E. is not

Neither K.E. nor momentum is conserved

Both K.E. and momentum are conserved

A fringe is a path of.

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Constant amplitude

Constant phase

Same wavelength

Constant frequency

A shell explodes and many pieces fly off in different directions, which of the following is conserved.

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Momentum

K.E.

Momentum and K.E

Neither momentum nor K.E.

When the velocity of body is doubled which one is doubled too.

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K.E.

P.E

Momentum

Acceleration

At series resonance in L-C-R circuit the impedance is equal to.

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Ohmic resistance

Inductive reactance

Capacitive reactance

Inductive reactance minus capacitive reactance

An other name for electric P.E per unit charge is.

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Electric intensity

Electric field

Electric potential

Electric force

The power dissipation in a pure inductive or capacitive circuit is.

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Maximum

Minimum

Zero

Infinity

Capacitance is directly proportional to

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Distance between the plates

Di electric strength

Area of the plates

Charge multiplied by the applied voltage

The temperature which is the same in ^oC and ^oF is.

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-20

-40

20

40

To which law of thermodynamics, the concept of temperature is related to.

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Zeroth law

First law

Second law

Third law

The output of a generator which uses a split ring commutator is.

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sinusoidal A.C. wave

Pulsating D.C. wave

Constant D.C Voltage

Linerly increasing voltage.

The circuit of full wave rectification consists of

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Only one diode

Two diodes

Three diodes

Four diodes

A generator running in reverse may be called as.

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A.C. Generator

D.C. generator

Motor

Commutator

A cork moes at 5 m s-1 on the crest of a wave The distance between the crests is 10 m. The frequency of the wave motion is.

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0.5 Hz

1.0 Hz

2.0 Hz

5.0 Hz

During transition, atom cannot emit

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Visible light

Ultraviolet radiation

Infrared radiations

gama rays

One Tesla is equal to.

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1 N A-1

1 N m-1

1 N A -1 m

1 N A -1 m-1

If a ball was thrown out of a rocket in free space, then it would.

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Accelerate away from the rocket

Remain motionless after leaving the rocket

Travel rectilinearly with constant speed

Move always parallel to the rocket

Which animal did Erwin Schrodinger contemplate using in his famous thought experiment.

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mouse

Cat

Dog

Rabbit

On average there is no energy transfer in.

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Sound waves

Water waves

Standing waves

Mechanical waves

Who invented the first closed tube thermometer in 1713

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Gabried Fahrenheit

Galileo

anders Celsius

Lord Kelvin

The SI unit of stress is

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kg m s-2

kg m-1 s-2

N m-2

N m-1

Who was awarded Nobel Prize for fist artificial atomic transmutation.

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Yukawa

Rutherford

Chadwick

Becquerel

If the transformer turns ratio is 2 and the impedance eof primary coil is 250 Ohms then the impedance secondary coil will be.

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125 Ohms

250 Ohms

500 Ohms

1000 Ohms

In case of a convex lens when object is placed away from 2F, image is formed.

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at F

at 2F

away from 2 F

Between F and 2 F

We can hear beats when the difference in the frequencies of two sounding bodies is not more than.

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2

4

6

10

Solids have

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Fixed shape only

Fixed volume only

Fixed shape and volume

No fixed shape and volume

The dimensions of universal gravitational constant G are.

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[MLT-2]

[ML -2T-2]

[M-1L2T-2]

[ML-1T-1]

A resistor whose resistance decreases with increasing intensity is.

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Light dependent resistor

Thermistor

Thermocouple

Strain gauge

For an electron or position the rest mass energy is equal to.

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0.21 MeV

0.51 MeV

1.51 MeV

1.21 MeV

Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.

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Archimede's principle.

Heisenberg uncertainty principle

Mosley's law

Schrodinger's wave equation

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