Question # 1

An object thrown in arbitrary direction in space with an initial velocity and moving freely under gravity will follow

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a circular path

a straight line

a hyperbola

a parabola

The product of force and time is called

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acceleration

linear momentum

angular momentum

impulse

Satellites are held in orbits around Earth by its:

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Gravitational field

Magnetic field

Own orbital motion

Own spin motion

The unit of induced emf is:

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Volt

Nm/As

Joule coul^-1

Both A and C

All of these

Recently a complex crystalline structure known as Yetrium Barium Copper Oxide have been reported to become superconductor at

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125 K

25 K

263 K

163 K

Physics deals with the study of

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Matter

Energy

Both of them

Human Body

Acceleration in a body is always produced in the directin of:

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Velocity

Weight

Force

Botha B and C

Photoelectrons are emitted when ultraviolet light falls on:

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Casium

Silver

Potassium

Any of these

None of these

Compton derived an expression to find compton shift by applying to the process, the law of conservation of:

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Energy only

Momentum only

Mass only

Charge only

Both (A) and (B)

The effects of bends in a wire on its electrical resistance are:

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Zero

Much larger

Larger

Smaller

None of these

Two vectors to be combined have magnitudes of 60 N and 35 N. Pick the possible answer:

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100 N

70 N

20 N

Zero

Stars twinkle due to

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The fact that they do not emit light continuously

The refractive index of earth's atmosphere fluctuates

The Star's atmosphere absorbs its light intermittently

None of these

Liquids and gasses have

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zero viscosity

non-zero viscosity

very large viscosity

very small viscosity

The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:

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More, lesser

Lesser, more

Both A and B

Lesser, lesser

A mass spectrograph sort out

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molecules

atoms

elements

isotopes

Change in momentum is one second called.

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Impulse

Force

Energy

Work

The SI unit of magnetic induction is tesla which is equal to

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Newton/ampere-meter or N/A-m

Newton/ampere²-meter or N/A²-m

Newton/ampere²-meter² or N/A²-m²

Newton/ampere²-meter²or N/A²-m²

The error may occur due to:

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Negligence

Faulty apparatus

Inappropriate method

all of these

Which of the following diode is used to derive the current in external circuit when light is incident in the circuit

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photo diode

light emitting diode

photo voltaic cell

none of these

The S.I unit of frequency is

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Vibrations s^-2

Ms^-1

Hertz

s^-1

Referring to the above figure, the binding energy per nucleon increases upto mass number equal to:

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50

100

150

200

250

Improper biasing of a transistor circuit produces

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Heavy loading of emitter current

Distortion in the output signal

Excessive heat at collector terminal

Faulty location of load line

A heater coil rated at (1000 W - 200 V) is connected to 110 volt line. What will be the power consumed?

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200 W

302.5

250 W

350 W

A change in position of a body from its initial position to its final position is known as

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relative motion

displacement

distance

acceleration

The kinetic energy of one molecule of a gas at normal temperature and pressure will be (k = 8.31 J/mole K) :

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1.7 x 10³J

10.2 x 10³J

3..4 x 10³J

6.8 x 10³J

The impedance of RLC series resonance circuit at resonant frequency is

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Greater than R

Equal to R

Less than R

None of these

Progressive waves of frequency 300 Hz are superimposed in produced a system of stationary waves in which adjacent nodes are 1.5 m apart. What is the speed of the progressive waves?

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100 ms^-1

200 ms^-1

450 ms^-1

900 ms^-1

At any point on the right bisector of the line joining two equal and opposite charges

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At electric field is zero

The electric potential is zero

The electric potential decreases with increasing distance from the centre

The electric field is perpendicular to the line joining the charges

The energy of a photon is represented by

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h/c²

h/T

hc²

hf/c²

How many number of anodes used in electron gun

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one

two

three

six

Work done is independent of path followed in _______

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Gravitational field

Magnetic field

Electric field

All of these

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