Question # 1

The henry is the unit for

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Resistance

Magnetic flux

Magnetic field

Inductance

The product of force and time is called

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acceleration

linear momentum

angular momentum

impulse

In the text book, the transistor amplifier circuit is a:

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Common emitter circuit

Common collector circuit

Common base circuit

Any of these

None of these

As compared to the distance measured by an observer on Earth, the distance from Earth to a star measured by an observer in a moving spaceship would seem:

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Smaller

Lerger

Same

Much larger

None of these

If the length of second pendulum becomes four times then its time period will become

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Four time

Two times

Six times

Eight times

Which one of the following is an example of resonance

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swing

tuning a radio

microwave oven

all of them

Energy is not carried by

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Transverse progressive waves

Longitudinal vibration

Stationary waves

Electromagnetic

Davision and Germer performed experiment to verify

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de-Brogile hypothesis

theory of relativity

Newton's law of gravitation

Mass-energy relation

When two protons are brought closer potential energy of both of them:

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Increases

Decreases

Remains same

None of these

The time of flight of a projectile motion equal to

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half of the time to reach maximum height

twice the time to reach maximum height

one fourth of time to reach maximum height

time to reach maximum height

The first shell near the neucles is

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L-shell

X-shell

N-shell

M-shell

A body moving with an acceleration of 5 m/sec²started with velocity of 10 m/sec. What will be the distance traversed in 10 seconds?

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150 m

250 m

350 m

400 m

The current is measured in

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volts

watt

ampere

ohm

When a position comes close to an electron they annihilate into photons such that

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each photon has energy 0.51 Me v

each photon has energy 1.02 Me v

each photon has energy 0.25 Me v

none of these

Which are not the elementary particles?

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Photons

Leptons

Hadrons

Quarks

None of these

Longitudinal waves are also called:

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Congressional waves

Transverse waves

Radio waves

None of them

A weakly damped system has fairly

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sharp resonance curve

flat resonance curve

both of them

none of them

The phenomenon of generation of induced emf is called

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Electrostatic induction

Magnetic induction

Electromagnetic induction

Electric induction

Both (A) and (D)

When a bicycle is in motion, the frictional forces exerted by the ground are

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In the forward direction on both the wheels

In the backward direction on both the wheels

In the forward direction on the front wheel and the backward direction on the rear wheel

In the backward direction on the front wheel and the forward direction on the rear wheel

The field around a moving charge is called

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magnetic field

conservative field

non-conservative field

none of these

The relationship between Boltzmann constant k with R and N_Ais given as:

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k = RN_A

k =R/N_A

k = NR/N_A

None of these

The concept of entropy was introduced into the study of thermodynamics in

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1856

1865

1656

1685

X-ray are also known as

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Roentgen rays

Maxwell rays

Plank range

Einstein rays

The force exerted by the fluid in a hydraulic pump on the piston is 10 cm², the fluid pressure on the piston is, in N/cm²

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20

200

2000

20,000

For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as

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modification

voltage

current

resistance

A ball falls on the surface from 10 m height and rebounds to 2.5 m. if the duration of contact with the floor is 0.01 seconds then the average acceleration during contact is

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2100 m/s²

1400 m/s²

700 m/s²

400 m/s²

For a fixed force, larger is the mass of a body the

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greater is its acceleration

smaller is its acceleration

smaller is its weight

zero is its acceleration

Distance to nearest galaxy from earth is

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10¹⁰m

10¹⁵m

10⁴⁰m

10³⁰m

The effect of friction between different layers of a flowing fluid is described in terms of

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motion of fluid

nature of fluid

colour of fluid

viscosity of fluid

Max Planck received the Nobel Prize for his discovery of energy quants in:

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1718 AD

1918 AH

1818 AD

1918 AD

None of these

Significant figures in 0.0010 are:

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Four

Three

Two

One

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